Torque AP Physics

What condition must be met for the angular momentum of a system to be constant?

• The mechanical energy is constant.

• There is no net external force acting on the system.

• The system is in static equilibrium.

• There is no net external torque acting on the system.

A force in a circular direction

• Reciprocating

• Torque

• Speed

• Oscillating

What is the formula for torque in terms of force and lever arm?

If a force of 10 N is applied at a perpendicular distance of 0.5 m from the pivot, what is the torque produced?

• 5 Nm

• 10 Nm

• 15 Nm

• 20 Nm

Which of the following does not affect the torque produced by a force?

• Magnitude of the force

• Distance from the pivot

• Angle of application

• Mass of the object

In which scenario is the torque zero?

• Force is applied parallel to the lever arm

• Force is applied perpendicular to the lever arm

• Force is applied at a 45-degree angle to the lever arm

• Force is applied at the pivot point

What is the unit of torque in the International System of Units (SI)?

• Newton-meter (Nm)

• Joule (J)

• Watt (W)

• Pascal (Pa)

A seesaw is balanced when a 30 kg child sits 2 m from the pivot on one side. How far from the pivot should a 60 kg child sit on the other side to balance the seesaw?

• 1 m

• 2 m

• 3 m

• 4 m

Which of the following statements is true about torque?

• Torque is a scalar quantity

• Torque is a vector quantity

• Torque has no direction

• Torque is always positive

What happens to the torque if the force applied is doubled and the distance from the pivot is halved?

• Torque remains the same

• Torque is doubled

• Torque is halved

• Torque is quadrupled