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Physics — Second Secondary

Physics — Second Secondary

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Physics — Second Secondary 2026/2027

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Question bank: Chapter 3: Force and Motion

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  • Questions count: 3
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1.
A person falling onto water is less hurt than falling onto ground mainly because the water:
is softer and so reduces his momentum
increases the time of the change of momentum, giving a smaller force
increases his weight
increases his velocity
2.
Airbags reduce injury in a collision because they:
decrease the driver's mass
increase the time over which the driver stops
increase the car's speed
increase the momentum
3.
An egg falls on a cushion and does not break because the cushion:
decreases the egg's mass
lengthens the stopping time so the force is smaller
increases the egg's speed
reduces gravity
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