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Quiz on OCR Gateway P3f Quiz, created by Zaaaara on 28/05/2014.

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OCR Gateway P3f Quiz

Question 1 of 11

1

A moving object has...

Select one of the following:

  • Speed

  • Momentum

  • Gravity

Explanation

Question 2 of 11

1

Momentum =

Select one of the following:

  • Mass x Velocity

  • Mass ÷ Velocity

  • Velocity ÷ Mass

  • Mass + Velocity

Explanation

Question 3 of 11

1

To reduce injuries, forces should be as small as possible.

Select one of the following:

  • True
  • False

Explanation

Question 4 of 11

1

Force =

Select one or more of the following:

  • Change in Momentum ÷ Time

  • Mass x Acceleration

  • Time ÷ Change in Momentum

  • Speed x Distance

Explanation

Question 5 of 11

1

Spreading the momentum change over a short period of time reduces the force.

Select one of the following:

  • True
  • False

Explanation

Question 6 of 11

1

What do crumple zones do?

Select one of the following:

  • Change shape

  • Stretch

  • Inflate

Explanation

Question 7 of 11

1

How do seatbelts reduce injury?

Select one of the following:

  • They stretch and convert the persons kinetic energy into elastic energy.

  • They stretch and stop the person hitting their head on anything.

  • They stop you're organs hitting your ribcage.

Explanation

Question 8 of 11

1

What to air bags increase?

Select one of the following:

  • the time taken for the head's momentum to reach zero

  • the space in the car

  • the force

Explanation

Question 9 of 11

1

ABS stands for?

Select one of the following:

  • Anti-lose braking system

  • Anti-lock braking system

  • Anti-lock braking section

  • Anti-lock bump system

Explanation

Question 10 of 11

1

ABS prevents?

Select one of the following:

  • skidding

  • cars overturning

  • damage to the car

Explanation

Question 11 of 11

1

Traction control - prevents skidding while accelerating so the car can quickly escape a dangerous situation.

Select one of the following:

  • True
  • False

Explanation

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