AP Torque and Equilibrium

What is the weight of the package?

• 5 N

• 10 N

• 15 N

• 20 N

Tags

NGSS.MS-PS2-4

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

Torque is a vector quantity.

• True

• False

The formula for calculating the magnitude of the torque is

• undefined 

A 800N man is playing on a seesaw with son who has a weight of 200N. If the child is sitting 3 meters away, how far will the man have to sit to balance the seesaw?

• 0.75m

• 3m

• 1.5m

• 1m

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-2

The easiest way to open a heavy door  is by applying the force

• Near the hinges

• In the middle of the door

• At the edge of the door far from the hinges

• At the top of the door

What is the weight of the package?

• 5 N

• 10 N

• 15 N

• 20 N

Tags

NGSS.MS-PS2-4

Which of the following statements about torque is true?

• Torque is a scalar quantity.

• Torque is a vector quantity.

• Torque is independent of the point of application of force.

• Torque is always positive.

A uniform beam is balanced at its center. If a 10N weight is placed 2 meters from the center on one side, where should a 20N weight be placed on the other side to maintain equilibrium?

• 1 meter from the center

• 2 meters from the center

• 0.5 meters from the center

• 4 meters from the center

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-2