What is torque?

• A force that causes rotation
• The resistance to motion
• The speed of an object
• The weight of an object

Which unit is used to measure moment of inertia?

• Newton
• Kilogram meter squared
• Joule
• Pascal

What does the moment of inertia depend on?

• Mass of the object
• Distribution of mass relative to the axis
• Both mass and its distribution
• Neither mass nor its distribution

What is the condition for an object to be in rotational equilibrium?

• Net torque is zero
• Net force is zero
• Both net force and net torque are zero
• Net acceleration is zero

Which of the following is an example of rotational motion?

• A car moving on a straight road
• A spinning top
• A falling leaf
• A running person

How can you increase the torque applied to an object?

• Decrease the force applied
• Increase the distance from the pivot point
• Reduce the object's mass
• Apply force at the pivot point

What is the role of the axis in rotational motion?

• It is where the torque is maximum
• It is the center around which the object rotates
• It reduces the object's speed
• It increases the object's inertia

How does increasing the mass of an object affect its moment of inertia?

• Decreases it
• Increases it
• Has no effect
• Changes direction

If a seesaw is balanced, what can be said about the torques on either side?

• They are equal
• One is greater than the other
• They are both zero
• They are unrelated

What does it mean for an object to have a low moment of inertia?

• It rotates more easily
• It is harder to rotate
• It cannot move
• It has a high resistance to torque

Torque is a measure of how much a force causes an object to rotate.

The moment of force is also called the swing.

A seesaw is an example of a rigid body in equilibrium.

If a rigid body is in equilibrium, the sum of the forces acting on it is zero.

Torque is calculated by multiplying force by distance from the pivot point.

A longer lever arm requires more force to achieve the same torque.

An object is balanced when its center of gravity is above its base of support.

A balanced beam has unequal torques on either side of the pivot.

The unit of torque in the International System of Units (SI) is the Newton-meter.

In equilibrium, the clockwise torques do not equal the counterclockwise torques.