Circular Motion - Quiz Quiz

Question 1

A child on a spinning playground ride is 0 point 3 6 m from the center of the ride. The centripetal force on the child is 19 cap n What is the mass of the child if the child has a tangential speed of 0 point 5 4 m/s ?

Revolt · Accepted Answer

B: 23 kilograms

Question 2

An object is in circular motion. How will the object behave if the centripetal force is removed?

Revolt · Accepted Answer

C: It would move in a line tangent to the circular path.

Question 3

A remote-controlled plane has a mass of 0 point 3 8 6 kilograms and flies in a circle with a radius of 75 m The centripetal force on the plane is 4 point 0 cap n What is the tangential speed of the plane?

Revolt · Accepted Answer

B: 28 m/s

Question 4

Without inertia, how would an object that is experiencing a centripetal force behave?

Revolt · Accepted Answer

D: It would move in a line toward the circle’s center.

Question 5

A ball that has a mass of 0 point 2 5 kilograms spins in a circle at the end of a 1 point 6 m rope. The ball moves at a tangential speed of 12 point 2 m/s What is the centripetal force acting on the ball?

Revolt · Accepted Answer

A: 23 bold cap n

Question 6

Julius competes in the hammer throw event. The hammer has a mass of 7 point 2 6 kilograms and is 1 point 2 1 5 m long. What is the centripetal force on the hammer when it has a tangential speed of 31 point 9 5 m/s ? The answer is rounded off to the nearest whole number.

Revolt · Accepted Answer

A: 6 comma 100 cap n

Question 7

A remote-controlled plane has a mass of 0 point 3 8 6 kilograms and flies in a circle with a radius of 75 m The centripetal force on the plane is 4 point 0 cap n What is the tangential speed of the plane?

Revolt · Accepted Answer

B: 11 m/s

Question 8

A ball that has a mass of 0 point 2 5 kilograms spins in a circle at the end of a 1 point 6 m rope. The ball moves at a tangential speed of 12 point 2 m/s What is the centripetal force acting on the ball?

Revolt · Accepted Answer

D: 23 bold cap n

Question 9

A wrecking ball has a mass of 650 kilograms It swings from a cable that is 21 m long. The centripetal force on the ball is 56 cap n What is the tangential speed of the wrecking ball?

Revolt · Accepted Answer

A: 1 point 3 m/s

Question 10

A wrecking ball has a mass of 650 kilograms It swings from a cable that is 21 m long. The centripetal force on the ball is 56 cap n What is the tangential speed of the wrecking ball?

Revolt · Accepted Answer

D: 1 point 3 m/s

Circular Motion - Quiz Quiz Answers

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Circular Motion - Quiz Quiz Answers

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