P01 EOTT - Forces and Energy

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32 questions

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What piece of equipment is used to measure forces?

Newton meter

Joule meter

Scales

Voltmeter

When an object is moving what direction will friction act in?

Same direction as motion

Opposite direction to motion

All directions

Down

When does a system store energy chemically?

If it is made of atoms

If it is moving

If it is hotter than the coldest thing

If there are chemical substances which can react

What unit is the energy transferred when a fuel is used is measured in?

Metres

Litres

Newtons

Joules

How do you calculate a resultant force is the unbalanced forces are in the same direction?

Force A x Force B = resultant force

Bigger force - smaller force = resultant force

Bigger force + smaller force = resultant force 

Force A + Force B = resultant force

What direction does an objects weight act in?

Backwards

Down

Up

In all directions

What causes energy to be transferred to the surroundings when a force moves an object?

Its weight

Friction

The normal contact force

Its mass

What do we call the variable scientists measure to judge the effect of the experiment?

Control variable

Fair test variable 

Dependent variable

Independent variable

What happens to the energy stored in a fuel when it is used to produce motion?

Energy is transferred

Energy is burnt

Energy is used up

Energy gets smaller

Which variable is the one scientists change in an investigation?

Independent variable

Control variable

Fair test variable

Dependent variable

How do you calculate a resultant force if the unbalanced forces are in opposite directions?

Force A x Force B = Resultant force 

Bigger force + Smaller force = Resultant force 

Force A + Force B = Resultant force

Bigger force - Smaller force = Resultant force

What do you call variables scientists need to keep the same in an investigation?

Dependent variable

Independent variables 

Control variable

Fair test variables

If an objects motion does not change the forces acting on it must be ___________.

balanced

zero newtons

small

unbalanced

Why might the amount of energy appear to decrease during a change?

Some energy is lost

Some energy is destroyed

The energy is used up

Some energy is always transferred to the surroundings

When does a system store energy kinetically?

If there are chemical substances that can react

If it is hotter than the coldest thingI

If objects are moving

f springy objects are stretched or squashed 

How many forces are acting on an object which is “resting” on a solid surface?

Two

Three

No forces are acting

One

What is an energy resource?

A material used as a source of energy

A material used to make energy

A type of energy

What piece of equipment is used to measure mass?

Scales

Newton meter

Joule meter

Voltmeter

Where should a force arrow start (or finish) on an object?

The back of an object

The middle of an object

Where a force acts on an object

Anywhere

This question is on representing forces.

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1

Draw an arrow representing the following forces. One box = One Newton.

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1

Draw an arrow representing the following forces. One box = One Newton.

Required

1

Draw an arrow representing the following forces. One box = One Newton.

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2

Draw an arrow representing a pushing force of 4 Newtons exerted on the back of the train.

This question is on resultant forces.

Describe the resultant force acting on the following objects.

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A cyclist being pushed forward by a force of 6N and pulled forwards by a force of 4N.

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A Box being pushed forward by a force of 6N and pulled back by a force of 4N.

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A Plane being pushed forward by a force of 4N and pushed back by a force of 12N.

This question is on how resultant forces effect the motion of objects.

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3

A cyclist is moving forwards with an initial speed of 4 m/s. The bike is pushed forwards with a force of 10 N is and pushed backwards with a force of 4 N. Calculate the resultant force and describe how this will affect the motion of the cyclist.

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2

A different cyclist is also moving forwards with an initial speed of 4 m/s. The bike is pushed forwards with a force of 4 N is and pushed backwards with a force of 4 N.
Calculate the resultant force and describe how this will affect the motion of the cyclist.

This question is about an investigation into forces.

Required

6

A mass is pushed across a table by an elastic band. When it was pushed away by the elastic band it had an initial speed of 1 m/s. The speed of the mass slowed down until it stopped completely. Write an answer that: - Describes what force slows the mass down - Explains what causes the force - Explains what can be done to reduce its effect

This question is about energy transfers.

Describe the energy transfer and explain what causes the flowing changes.

Example) A battery powered motor is used to lift a car into the air.
 
“The motor exerts a pulling force on the car.. 
Energy is transferred from the chemical store of the battery to the gravitational store of the mass."

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A squashed spring pushes a ball so it starts rolling along the floor.

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3

A train burns a fuel to pull a carriage until it starts moving.

This question is about analysing data.

Required

4

A student worked out the amount of energy stored in 100g of different foods.

Use the information in the table to complete the bar graph.

What piece of equipment is used to measure forces?

Newton meter

Joule meter

Scales

Voltmeter

When an object is moving what direction will friction act in?

Same direction as motion

Opposite direction to motion

All directions

Down

When does a system store energy chemically?

If it is made of atoms

If it is moving

If it is hotter than the coldest thing

If there are chemical substances which can react

What unit is the energy transferred when a fuel is used is measured in?

Metres

Litres

Newtons

Joules

How do you calculate a resultant force is the unbalanced forces are in the same direction?

Force A x Force B = resultant force

Bigger force - smaller force = resultant force

Bigger force + smaller force = resultant force 

Force A + Force B = resultant force

What direction does an objects weight act in?

Backwards

Down

Up

In all directions

What causes energy to be transferred to the surroundings when a force moves an object?

Its weight

Friction

The normal contact force

Its mass

What do we call the variable scientists measure to judge the effect of the experiment?

Control variable

Fair test variable 

Dependent variable

Independent variable

What happens to the energy stored in a fuel when it is used to produce motion?

Energy is transferred

Energy is burnt

Energy is used up

Energy gets smaller

Which variable is the one scientists change in an investigation?

Independent variable

Control variable

Fair test variable

Dependent variable

How do you calculate a resultant force if the unbalanced forces are in opposite directions?

Force A x Force B = Resultant force 

Bigger force + Smaller force = Resultant force 

Force A + Force B = Resultant force

Bigger force - Smaller force = Resultant force

What do you call variables scientists need to keep the same in an investigation?

Dependent variable

Independent variables 

Control variable

Fair test variables

If an objects motion does not change the forces acting on it must be ___________.

balanced

zero newtons

small

unbalanced

Why might the amount of energy appear to decrease during a change?

Some energy is lost

Some energy is destroyed

The energy is used up

Some energy is always transferred to the surroundings

When does a system store energy kinetically?

If there are chemical substances that can react

If it is hotter than the coldest thingI

If objects are moving

f springy objects are stretched or squashed 

How many forces are acting on an object which is “resting” on a solid surface?

Two

Three

No forces are acting

One

What is an energy resource?

A material used as a source of energy

A material used to make energy

A type of energy

What piece of equipment is used to measure mass?

Scales

Newton meter

Joule meter

Voltmeter

Where should a force arrow start (or finish) on an object?

The back of an object

The middle of an object

Where a force acts on an object

Anywhere

Draw an arrow representing the following forces. One box = One Newton.

Draw an arrow representing a pushing force of 4 Newtons exerted on the back of the train.

A cyclist being pushed forward by a force of 6N and pulled forwards by a force of 4N.

A Box being pushed forward by a force of 6N and pulled back by a force of 4N.

A Plane being pushed forward by a force of 4N and pushed back by a force of 12N.

A cyclist is moving forwards with an initial speed of 4 m/s. The bike is pushed forwards with a force of 10 N is and pushed backwards with a force of 4 N. Calculate the resultant force and describe how this will affect the motion of the cyclist.

A different cyclist is also moving forwards with an initial speed of 4 m/s. The bike is pushed forwards with a force of 4 N is and pushed backwards with a force of 4 N.
Calculate the resultant force and describe how this will affect the motion of the cyclist.

A mass is pushed across a table by an elastic band. When it was pushed away by the elastic band it had an initial speed of 1 m/s. The speed of the mass slowed down until it stopped completely.
 
Write an answer that:
 
- Describes what force slows the mass down
- Explains what causes the force
- Explains what can be done to reduce its effect

P01 EOTT - Forces and Energy

P01 EOTT - Forces and Energy

What piece of equipment is used to measure forces?

When an object is moving what direction will friction act in?

When does a system store energy chemically?

What unit is the energy transferred when a fuel is used is measured in?

How do you calculate a resultant force is the unbalanced forces are in the same direction?

What direction does an objects weight act in?

What causes energy to be transferred to the surroundings when a force moves an object?

What do we call the variable scientists measure to judge the effect of the experiment?

What happens to the energy stored in a fuel when it is used to produce motion?

Which variable is the one scientists change in an investigation?

How do you calculate a resultant force if the unbalanced forces are in opposite directions?

What do you call variables scientists need to keep the same in an investigation?

If an objects motion does not change the forces acting on it must be ___________.

Why might the amount of energy appear to decrease during a change?

When does a system store energy kinetically?

How many forces are acting on an object which is “resting” on a solid surface?

What is an energy resource?

What piece of equipment is used to measure mass?

Where should a force arrow start (or finish) on an object?

Draw an arrow representing the following forces. One box = One Newton.

Draw an arrow representing the following forces. One box = One Newton.

Draw an arrow representing the following forces. One box = One Newton.

Draw an arrow representing a pushing force of 4 Newtons exerted on the back of the train.

A cyclist being pushed forward by a force of 6N and pulled forwards by a force of 4N.

A Box being pushed forward by a force of 6N and pulled back by a force of 4N.

A Plane being pushed forward by a force of 4N and pushed back by a force of 12N.

A cyclist is moving forwards with an initial speed of 4 m/s. The bike is pushed forwards with a force of 10 N is and pushed backwards with a force of 4 N. Calculate the resultant force and describe how this will affect the motion of the cyclist.

A different cyclist is also moving forwards with an initial speed of 4 m/s. The bike is pushed forwards with a force of 4 N is and pushed backwards with a force of 4 N. Calculate the resultant force and describe how this will affect the motion of the cyclist.

A squashed spring pushes a ball so it starts rolling along the floor.

A train burns a fuel to pull a carriage until it starts moving.

A student worked out the amount of energy stored in 100g of different foods. Use the information in the table to complete the bar graph.

Draw an arrow representing the following forces. One box = One Newton.

Draw an arrow representing the following forces. One box = One Newton.

Draw an arrow representing the following forces. One box = One Newton.

Draw an arrow representing a pushing force of 4 Newtons exerted on the back of the train.

A cyclist being pushed forward by a force of 6N and pulled forwards by a force of 4N.

A Box being pushed forward by a force of 6N and pulled back by a force of 4N.

A Plane being pushed forward by a force of 4N and pushed back by a force of 12N.

A cyclist is moving forwards with an initial speed of 4 m/s. The bike is pushed forwards with a force of 10 N is and pushed backwards with a force of 4 N. Calculate the resultant force and describe how this will affect the motion of the cyclist.

A different cyclist is also moving forwards with an initial speed of 4 m/s. The bike is pushed forwards with a force of 4 N is and pushed backwards with a force of 4 N. Calculate the resultant force and describe how this will affect the motion of the cyclist.

A squashed spring pushes a ball so it starts rolling along the floor.

A train burns a fuel to pull a carriage until it starts moving.

A student worked out the amount of energy stored in 100g of different foods. Use the information in the table to complete the bar graph.

A different cyclist is also moving forwards with an initial speed of 4 m/s. The bike is pushed forwards with a force of 4 N is and pushed backwards with a force of 4 N.
Calculate the resultant force and describe how this will affect the motion of the cyclist.

A student worked out the amount of energy stored in 100g of different foods.

Use the information in the table to complete the bar graph.

A different cyclist is also moving forwards with an initial speed of 4 m/s. The bike is pushed forwards with a force of 4 N is and pushed backwards with a force of 4 N.
Calculate the resultant force and describe how this will affect the motion of the cyclist.

A student worked out the amount of energy stored in 100g of different foods.

Use the information in the table to complete the bar graph.