QUESTION 1: If you can exert a pull that is greater than your weight, why can’t you fly off the ground by pulling your belt upward? because the Earth will pull you downward with the same force, so they cancel out because your body exerts the same amount of force on you, so they cancel out because the normal force and your weight cancel out just before you pull your belt upward not enough information is given QUESTION 2: You are pushing a box to the right with a 210-N force. How much

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 70P: The helicopter view in Figure P1.70 shows two people pulling on a stubborn mule. Find (a) the single...
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QUESTION 1: If you can exert a pull that is greater than your weight, why can’t you fly off the ground by pulling your belt upward?

  1. because the Earth will pull you downward with the same force, so they cancel out
  2. because your body exerts the same amount of force on you, so they cancel out
  3. because the normal force and your weight cancel out just before you pull your belt upward
  4. not enough information is given

QUESTION 2: You are pushing a box to the right with a 210-N force. How much force does the box exert on you? 

  1. less than 210 N, to the left
  2. equal to 210 N, to the left
  3. equal to 210 N, to the right
  4. greater than 210 N, to the left
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