Chapter 11 Quiz - Rotational Mechanics

Adding force to a lever arm produces a rotation. This is known as...

• Revolving

• Torque

• Momentum

What is the formula for Torque?

• T = F x d

• T = D/t

• T = m x a

In which direction should a force be applied to a lever arm to produce maximum torque?

• Parallel

• Perpendicular

• At a 25% angle

Where should you apply a force to most easily open a door?

• Closest to the hinge (Axis of Rotation)

• In the middle

• Furthest away from the hinge (Axis of Rotation)

Which wrench would produce the most force?

• A wrench with a short handle

• A wrench with a long handle

• A really heavy wrench

The distance between the applied force and the axis of rotation is known as...

• The wedge

• The pulley

• The lever arm

When a see-saw is balanced, what is ALWAYS true about each side of the fulcrum?

• The distances between the masses and the AOR are the same

• The masses are the same

• The torques are the same

How can you balance a see-saw with someone who is bigger than you?

• Sit on the same side of the see-saw

• Adjust the distance from the Axis of Rotation

• You can't! It's impossible!

Tags

NGSS.MS-PS2-4

If a volleyball player wants to spike the ball so that it spins, where should they hit it?

• Directly at the Center of Gravity

• Off center

• Under the Center of Gravtiy

True or False: When the support base is outside the center of gravity, a torque will NOT be produced.

• True

• False