ROTATIONAL MOTION

What is the direction of torque given by?

• left handed screw rule
• right handed screw rule
• Fleming’s left hand rule
• Cork screw rule

What is the SI unit of moment of force?

• joule (J)
• watt (W)
• newton metre (N m)
• pascal (Pa)

Which of the following represents the torque acting on a particle with respect to the origin?

• τ = r + F
• τ = r × F
• τ = r · F
• τ = F × r

What determines the rotational inertia of a body?

• Color of body
• Temperature
• Mass distribution relative to axis
• External force

What is the net effect of balanced torques on a body?

• Rapid rotation
• Oscillation
• No angular acceleration
• Translation