A Construction Worker Pulls a Box of Tools on a Smooth

question 40

Essay

A construction worker pulls a box of tools on a smooth horizontal floor with a force of 100 N in a direction of 37.0° above the horizontal.The mass of the box and the tools is 40.0 kg.
(a)Draw a free-body diagram for the box.
(b)Calculate the acceleration of the box.
(c)How hard does the floor push up on the box?

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