Circular motion

Harry Potter waved his 0.2 m wand with 0.08 Nm of torque. How much force did Harry apply to rotate his wand?

• 0.4 N

• 0.5 N

• 0.3 N

• 0.16 N

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

Which bucket has more inertia?

• The bucket on the left because it has less mass

• The bucket on the right because it has more mass

• They have the same inertia

• The bucket on the right because it has less mass

Tags

NGSS.MS-PS2-2

Where is the net force when the rollercoaster is at the top of the loop?

• Towards the sky
• Towards the Right
• Towards the left
• Towards the ground

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What is the net force?

• 10 N
• 0 N
• 25 N
• 1 N

Tags

NGSS.MS-PS2-2

If these teams are pulling with the same amount of force what will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the formula for force?

• F=m/a

• F=a/m

• F=m*a

• F=m*F

Two balls that collide will have an equal but opposite force upon one another

• First Law
• Second Law
• Third Law
• Law of Inertia

Tags

NGSS.MS-PS2-1

What is the tendency of an object to resist a change in motion?

• coffee
• motion
• inertia
• gravity