Circular Motion

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

• .4
• .5
• .3
• .16

Tags

NGSS.HS-PS2-1

Which represents the acceleration of the ball?

• A
• B
• C
• D

Tags

NGSS.HS-PS2-1

Which of the following depict the speed of the blowing ball?

• A
• B
• C
• D

Tags

NGSS.MS-PS3-1

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?

• 9
• 18
• 72
• 144

Tags

NGSS.HS-PS2-4

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?

• 9
• 18
• 72
• 144

Tags

NGSS.HS-PS2-4

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?

• 9
• 18
• 72
• 144

Tags

NGSS.HS-PS2-4

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?

• 9
• 18
• 72
• 144

Tags

NGSS.HS-PS2-4

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.

• 2.4 m/s
• 3.6 m/s
• 3.9 m/s
• 4.2 m/s

Tags

NGSS.HS-PS2-1

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

• 4.1 kg
• 3.6 kg
• 2.5 kg
• 1.8 kg

Tags

NGSS.HS-PS2-1

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

• 10 N
• 20 N
• 30 N
• 40  N

Tags

NGSS.HS-PS2-1