# Physics P456 practice exam questions

I am currently undergoing my gcse's and i wanted to create flashcards for myself but most importantly for the people who will be doing the same in the future x

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What do arrows show?
• Arrows show the size and direction of force, a larger force = longer arrow
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what is momentum?
• Momentum is how hard an object is to stop; heavier and faster objects have a larger momentum
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give me 4 examples of car features: (physics wise)
Crumple zones crumple on impact increasing time to stop. Helmet padding increases the time for your head to stop. Air bags slow you down more gradually. Seat belts stretch and slow you down slowly.
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what is kinetic energy?
Kinetic energy is movement. Anything moving has kinetic energy.
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what is Gravitational Potential Energy (GPE) ?
GPE is height energy.
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## Other cards in this set

### Card 2

#### Front

what is momentum?

#### Back

• Momentum is how hard an object is to stop; heavier and faster objects have a larger momentum

### Card 3

#### Front

give me 4 examples of car features: (physics wise)

### Card 4

#### Front

what is kinetic energy?

### Card 5

#### Front

what is Gravitational Potential Energy (GPE) ?