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Momentum and Energy

Last updated over 1 year ago

16 questions

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Question 1

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Draggable item		Corresponding Item

Question 2

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Question 3

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Question 4

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Question 5

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Question 6

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Question 7

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Question 8

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Question 9

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Question 10

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Question 11

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Question 12

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Question 13

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Question 14

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Question 15

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Question 16

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Inelastic Collision

mass times velocity

Conservation of Momentum

Change in momentum

Force

The net change of momentum in a collision is zero

Energy

When things bounce

Impulse

A football player grabbing another player and both fall to the ground

Elastic Collision

Energy carried by moving things

Momentum

Stored Energy

Potential Energy

The ability to do work

Potential energy of Gravity

The process of transforming energy

Work

A push or pull

Kinetic Energy

A force that prevents movement in the first place

Static Friction

A force that slows down moving objects

Kinetic Friction

mgh

Momentum is

1/2 m v^2

F=ma

ρ=mv

mgh

Rho is

A Greek Letter

A Chinese Letter

An Arabic Letter

A Sanskrit Lettter

Which has more momentum a 1000kg car moving 2m/s or a 2000kg truck moving 1m/s?

Cannot tell from what is given

They are the same

The Truck

The Car

Which has more momentum a 1000kg car moving 3m/s or a 2000kg truck moving 1m/s?

The Car

The Truck

They are the same

Not enough information to answer

What is the real reason an airbag saves you in a car crash

It is made of Nylon

It slows you down slower

It slows you down faster

Its a government trick, airbags don't save lives

When you fire a cannon, the cannonball goes forward, and the cannon moves backward, this is because of

Conservation of Energy

Conservation of Momentum

Newton's First Law

Friction

If you were drawing a cartoon, and an ELASTIC collision happened in the cartoon, what sound effect would you use

Klunk

Splat

Boing

Thud

Which is an INELASTIC COLLISION

2 rubber balls running into each other

A spitwad hitting the neck of your worst enemy

the cue ball hitting the 8 ball

2 balloons hitting each other

Energy is measured in

Kilograms

Newtons

Joules

Meters

If I lift a 2N book in the air 2 meters, how much work do I against gravity?

4 Joules

2 Joules

Its a trick, I did no work against gravity

None of the above

If I carry a 2N book sideways 2 meters, how much work do I do against gravity?

4 Joules

2 Joules

Its a trick, I did no work against gravity

None of the above

Mechanical energy would be found in

A rock I lift in the air

A rock I drop off a cliff

A rolling car

All of the above

Which of these is a SIMPLE machine

if I put in 10 joules of energy, and get out 5 joules of work, how efficient is the machine?

40%

20%

30%

50%

Heat energy is just fancy kinetic energy

True

False