6 marksForces & Newton's Laws
CSEC Physics · May/June 2015 · Paper 2 · Question 4(a)
State Newton's three laws of motion.
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- 4(b)(i)Calculate the initial momentum of a 70 kg test dummy in the car before the crash.[3 marks]
- 4(b)(ii)Calculate the average force exerted on the dummy by the seatbelt during the crash if the duration of the collision is 0.1 seconds.[3 marks]
- 4(b)(iii)With the removal of all protective features, the dummy was subjected to another crash test with the same initial speed. This time it was subjected to a…[3 marks]
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