4. A box with mass 50 kg rests on a table. (a) What is the weight of the box and the normal force acting on it? (b) A 30 kg box is now placed on top of the 50 kg box, as shown below. Determine the normal force that the table exerts on the 50 kg box and the normal force that the 50 kg box exerts on the 30 kg box. Draw free body diagrams for each box.

4. A box with mass 50 kg rests on a table. (a) What is the weight of the box and the normal force acting on it? (b) A 30 kg box is now placed on top of the 50 kg box, as shown below. Determine the normal force that the table exerts on the 50 kg box and the normal force that the 50 kg box exerts on the 30 kg box. Draw free body diagrams for each box.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter4: Dynamics: Force And Newton's Laws Of Motion

Section: Chapter Questions

Problem 16PE: A brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a...

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A brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a force of 800.0 N on him. The mass of the losing player plus equipment is 90.0 kg, and he is accelerating backward at 1.20m/s2 . (a) What is the force of friction between the losing player’s feet and the grass? (b) What force does the winning player exert on the ground to move forward if his mass plus equipment is 110.0 kg?