ROTATIONAL MOTION

In rotational equilibrium, what is the net moment?

• Maximum
• Minimum
• Equal to force
• Zero

What is the purpose of taking moments about the fulcrum?

• To include all forces
• To increase accuracy
• To measure distance
• To eliminate the reaction force from torque calculation

If the load is 50 N and effort is 10 N, what is M.A.?

• 0.2
• 1
• 2
• 5

What is the vector nature of the couple moment?

• Fixed vector
• Sliding vector
• Zero vector
• It is a free vector

In a compass needle, what causes it to align with Earth's magnetic field?

• Gravitational pull
• Air pressure
• Friction
• Torque due to a magnetic couple