Circular Motion

Front

Harry Potter waved his .23 m wand with .069 Nm of torque. How much force did Harry apply to rotate his wand?

Back

.3

Front

Which represents the acceleration of the ball? Options: A, B, C, D

Back

A

Front

Which of the following depict the speed of the blowing ball? Options: A, B, C, D

Back

C

Front

Two objects are attracted to each other with 36 N of gravitational force. What would the force between them be if the distance between them were doubled?

Back

9

Front

Two objects are attracted to each other with 36 N of gravitational force. What would the force between them be if the distance between them were divided by 2? Options: 9, 18, 72, 144

Back

144

Front

Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if one of the masses were doubled?

Back

72

Front

Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if both of the masses were doubled?

Back

144

Front

Calculate the velocity of an object moved around a circle with a radius of 1.65 m and an acceleration of 3.5 m/s².

Back

2.4 m/s

Front

Calculate the mass of an object if it took 20 N to rotate it in a circle with a radius of 2 meters with a velocity of 4 m/s.

Back

2.5 kg

Front

Calculate the centripetal force required to make a 5 kg ball move 4 m/s in a circle with a radius of 2 m.

Back

40  N