CIRCULAR MOTION/TORQUE

A centripetal force causes an acceleration.

• True
• False

Tags

NGSS.HS-PS2-1

What is the direction of a centripetal force?

• In the same direction that the object is moving
• Inward and perpendicular to the motion of the object
• Upward and slightly forward
• Outward and perpendicular to the motion of the object

Which one requires more centripetal force?

• A
• B
• They will be the same

If two identical objects travel at the same speed, which path requires less centripetal force?

• I (larger radius)
• II (smaller radius)
• They are the same

Tags

NGSS.HS-PS2-1

If two identical objects take the same time to make one revolution, which path requires less centripetal force?

• I (larger radius)
• II (smaller radius)
• They are the same

Which will produce more torque to loosen the lug nut?

• A
• B
• They are the same

Which requires more muscle strength (pull by the muscle) to lift a 25 pound dumbbell?

• An arm with a longer forearm
• An arm with a shorter forearm
• The length doesn't matter

What is the weight of the package?

• 5 N
• 10 N
• 15 N
• 20 N

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

What is the weight of the package?

• 5 N
• 10 N
• 15 N
• 20 N

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

What is the weight of the package?

• 5 N
• 10 N
• 15 N
• 20 N

Tags

NGSS.HS-PS2-4