# 159x 0.11 59%10:15 AMHomework 3Question 3. An object of mass M is in free-fall (the only force on the object is its ownweight). Make a force diagram for this case. Use Newton's Second Law to calculatethe acceleration of the object. What would happen to the acceleration if we double themass of the object? Why is this case different than the previous question?Question 4. True or False1. An object of larger mass exerts a larger contact force on an object of smaller mass2. An object of smaller mass exerts a smaller contact force on an object of largermass3. The contact force between two objects always has the same magnitude4. Action and Reaction force pairs act upon the same body.Question 5. In this today's experiment, a mass M will be rotated in order to generatea Centripetal Force.a) In our setup, which object will be creating the centripetal force?b) State the magnitude of this force

Question

Question 5

Step 1

a)

Centripetal force is the result of circular motion of an object. It is directed towards the center of circular motion along the radius of circular path. Here, an object of mass M is rotating. So the mass M is responsible for creating the centripetal force.

Answer: Mass M creates the centripetal force.

Step 2

b)

Centripetal force is directly proportional to the mass of rotating object, square of linear velocity of motion, an...

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