4. You are holding a string with a mass on the end and are making the mass trave

Question

4. You are holding a string with a mass on the end and are making the mass traverse a circle above your head. a) Draw a free dot diagram for this object. b) Are there balanced/unbalanced forces acting on it? Explain If the string made x vs t and y vs t graphs, what would they look like breaks and you

6. Two people are talking about the physics of riding a merry-go-round. They agree that the reason you fly off is because a force pulls you off of the merry-go-round. Are they correct? Explain

7. Draw a free body diagram for when you are(assuming you are standing at the same elevation) For the locations below where would you weigh more? Explain b) standing at the equator. a) standing at the north pole.

Explanation / Answer

4)   In free body diagram, weight mg will acts downwards and Tension T will acts at an angle inclined to horizontal. The vertical component will balance the weight while horizontal component of tension will provide centripetal acceleration

b) They are unbalanced in horizontal direction. So the mass is accelerating in horizontal (towards the center of the circle)

c) x vs t and y vs t will be sinusoidal graph

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