1. You are trying to lift a box of weight W' vertically off the floor. You apply a force, Fup, on the box trying to lift it but the box does not move. If N is the normal force on the block from the floor while you are trying to lift it, which relationship below must be true? a. N= W b. N+ Fup < W C. N+Fap > W d. N+ Fup = W

1. You are trying to lift a box of weight W' vertically off the floor. You apply a force, Fup, on the box trying to lift it but the box does not move. If N is the normal force on the block from the floor while you are trying to lift it, which relationship below must be true? a. N= W b. N+ Fup < W C. N+Fap > W d. N+ Fup = W

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Description: 1. You are trying to lift a box of weight W' vertically off the floor. You apply a force, Fup, on the boxtrying to lift it but the box does not move. If N is the normal force on the block from the floorwhile you are trying to lift it, which relation

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter5: Energy

Section: Chapter Questions

Problem 63AP: A person doing a chin-up weighs 700 N, exclusive of the arms. During the first 25.0 cm of the lift,...

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A person doing a chin-up weighs 700 N, exclusive of the arms. During the first 25.0 cm of the lift, each arm exerts an upward force of 355 N on the torso. If the upward movement starts from rest, what is the persons velocity at that point?
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