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Year 7 Forces 1attempt 1

Last updated about 5 years ago

10 questions

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Question 1

1.

Which of these is the best way to measure a force?

Force meter/Newton meter

Ruler

Thermometer

Question 2

2.

Forces can be...

Pushes only

Pulls only

Pushes and pulls

Question 3

3.

What is the unit for moment called?

Newton, n

Newton, N

Neutron, N

Question 4

4.

What can we say about the forces on an object that is not moving?

There must only be one force acting on it

The forces must be balanced

It must be very heavy

Question 5

5.

There are two opposite forces acting on an object, one is 10N, one is 15N. What is the resultant force?

10N

5N

25N

Question 6

6.

What happens to the air resistance on a car as the car goes faster?

It decreases

It stays the same

It increases

Question 7

7.

A force of 4 N acts on a lever 2 m from the pivot. What is the moment?

8Nm

6Nm

2Nm

Question 8

8.

One way to increase the turning force on a spanner is to:

Use a shorter spanner

Use a longer pivot

Use a longer spanner

Question 9

9.

Gravity is an example of what?

Contact force

Uncontact force

Noncontact force

Question 10

10.

What store of energy does friction always produce?

Heat/thermal

Kinetic

Gravitational potential