Work, Energy and Momentum GCSE Physics AQA (higher)

P2.3 in the GCSE Physics AQA revision guide.
20 Questions in this quiz. 

?
What happens when force moves an object?
Energy is transferred and work is done
1 of 19
If you answered "True" to Q2, name two forces.
Electricity & Fuel
2 of 19
work done =
energy transferred
3 of 19
When work is done against frictional forces, what is the energy supplied mainly transformed into?
Heat
4 of 19
What is an elastic object?
Something that will go back to it's original shape
5 of 19
What is the energy transferred stored as when work is done to an elastic object to stretch or squash it?
elastic potential energy
6 of 19
What happens when this energy is released?
The object returns to it's original shape
7 of 19
kinetic energy =
1/2 mass x speed (squared)
8 of 19
What is the unit of kinetic energy?
J
9 of 19
momentum =
velocity x mass
10 of 19
What is the unit of momentum?
kg/m/s
11 of 19
What happens when objects interact?
momentum before = momentum after
12 of 19
momentum =
mass x velocity
13 of 19
When two objects are at rest their momentum is.....
zero
14 of 19
If the momentum in one direction is positive, what is the other?
negative
15 of 19
If two students on roller skates push each other away, and one student has twice the mass of the other, what can you say about the velocity?
One student has twice the mass of the other, and half the speed
16 of 19
force =
change in momentum, divided by time taken.
17 of 19
The longer an impact takes, the...............the force exerted.
less
18 of 19
Do you love cats?
<3 <3 <3 <3 so much :')
19 of 19

Other cards in this set

Card 2

Front

If you answered "True" to Q2, name two forces.

Back

Electricity & Fuel

Card 3

Front

work done =

Back

Preview of the front of card 3

Card 4

Front

When work is done against frictional forces, what is the energy supplied mainly transformed into?

Back

Preview of the front of card 4

Card 5

Front

What is an elastic object?

Back

Preview of the front of card 5
View more cards

Comments

arthur

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Last question is ridiculous and there is one question which is debatable; however, generally good.

Steven Siddle

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it should tell you the right answer if it was answered incorrectly :)

Her Dudelmann

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The unit of momentum is wrong. It should be Kgm/s

Her Dudelmann

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The unit of momentum is wrong. It should be Kgm/s

:) PurpleJaguar (: - Team GR

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Good quiz but I agree with Her ^

:)

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