QUESTION 15 5 points Saw In situation #1, a lightweight crate A and a heavy crat

Question

QUESTION 15 5 points Saw In situation #1, a lightweight crate A and a heavy crate B are side-by-side on a frictionless horizontal surface. A horizontal force F0) is applied to crate A, causing both crates to start to move together. In situation #2, the positions of the crates on the same frictionless surface are reversed, and the same horizontal force F (>0) as above is applied to crate B, causing both crates to start to move together. In which situation is the force on the right crate due to the left crate larger? A. Situation #1 B. Situation #2 C.This force has the same magnitude in the two situations. D.It depends on the magnitude of the applied forceF E. Not enough enough information is given to decide.

Explanation / Answer

15) A

As in both the situation acceleration will remain same.

In situation 1 reaction force has to move large mass as compared to situation 2 therefore the reaction force will be greater in situation 1.

16) C

The two vehicles experience a force of sme magnitude due to Newton's third law.

FBA= - FAB =|F|

17) B

atruck= F/M

acar = F/m

so the acceleration of smaller,less massive car is large.

18) A,C

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