Tom is pushing two boxes down the hallway, towards his doem room. The smaller bo

Question

Tom is pushing two boxes down the hallway, towards his doem room. The smaller box, which weighs 80 N, is in front of the larger box, which weighs 160 N. Tom finds that he has to push the larger box with a force of 84 N in order to get the boxes to slide. Heather tells Tom that this means that he is also pushing on the small box with an 84 N force. Tom tells Heather that he is wrong, since the exerted force must be devided between the two boxes in proportion to their weights. Who is right?

a. Heather, since the larger box transmits the force to the smaller box.

b. Heather, since Tom is the only one exerting a force.

c. Tom, since he is accelerating the mass of the boxes.

Explanation / Answer

a. Heather, since the larger box transmits the force to the smaller box.

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