ROTATIONAL MOTION

What is the net effect when two equal and opposite forces act at the same point?

• Rotation occurs
• Translation occurs
• No motion occurs
• Oscillation occurs

How is the moment of a force calculated?

• Force divided by distance
• Mass times acceleration
• Force multiplied by perpendicular distance from the pivot
• Distance divided by force

What happens to a rod if forces at A and B are equal, parallel, and in the same direction?

• It rotates about its center
• It remains at rest
• It accelerates linearly without rotating
• It vibrates

Which of the following is true about forces in rotational equilibrium?

• All forces must be zero
• Forces must be parallel
• The net torque due to all forces must be zero
• Forces must act at the center

What is the main difference between concurrent and non-concurrent forces?

• They differ in magnitude
• They differ in material
• Concurrent forces meet at a point, while non-concurrent forces do not
• They are the same