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A level physics MCQ

A level physics MCQ

1234kelly

A body falls freely, with negligible air resistance. What quantity of the body is its rate of change of momentum?
(Total 1 mark)
A mass
B power
C kinetic energy
D weight

Can someone please explain 1)what the question even means ? 2)why the answer is D ?

(edited 3 months ago)

Reply 1

MP_25

i'm pretty sure this is just on the definition of newton's 2nd law: resultant force of an object is the rate of change of its momentum, so since it is in free fall, you're just being asked what is the force that is moving it down, hence why the answer is D, the weight is what's causing it to fall down :smile:

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