Rotational Kinematics, Torque, and Angular Acceleration | Live Review Session 7 | AP Physics 1

 

the slope of  vs t time graph equals ________?

• 

  angular velocity

• 

  angular acceleration

• 

  moment of Inertia

• 

  torque

The slope of the  vs t graph equals _______.

• 

  angular displacement

• 

  angular acceleration

• 

  torque

• 

  moment of Inertia

The area under the curve of the  vs t graph equals _______.

• 

  angular displacement

• 

  angular acceleration

• 

  moment of inertia

• 

  torque

What is the area under the curve of an  vs t graph?

• 

  angular displacement

• 

  change in angular velocity

• 

  moment of inertia

• 

  torque

An object with a greater rotational inertia requires a __________ torque to start, stop or change rotational motion.

• greater

• smaller

A hoop, disk, and sphere have the same mass and radius and they are released from the top of a ramp from the same height at the same time.

Which object will reach the bottom of the ramp first?

• hoop

• disk

• sphere

To apply a torque to the wheel there must be a force ______ to the lever arm.

• perpendicular

• parallel

What mass would balance the bar?

• 1 kg

• 0.5 kg

• 4 kg

• 8 kg

• 2 kg

Tension force and the weight of the bar are both located at the pivot.  Will these 2 forces cause a torque to the bar? 

• yes

• no

Which object will have the greater angular acceleration?

• hoop

• disk

• They will have the same angular acceleration