Quiz on Moments and Equilibrium

What is the function of a lever?

• To change direction

• To increase distance

• To reduce speed

• To amplify force

Which of the following is NOT a component of a lever?

• Load

• Fulcrum

• Torque

• Effort

What is the formula for calculating the moment of a force?

• M = F + d

• M = F / d

• M = F * d

• M = F - d

In which direction can moments act?

• Upward and downward

• Left and right

• Clockwise and anticlockwise

• Forward and backward

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

• It is rotating

• It is moving at constant speed

• It is not moving

• It is accelerating

What is a couple in terms of forces?

• A single force causing translation

• Two equal but opposite forces that produce rotation

• Two forces acting in the same direction

• Two forces acting at different points

What is the unit of moment in the SI system?

• Joule

• Newton meter

• Meter

• Newton

What happens when the sum of clockwise moments equals the sum of anticlockwise moments?

• The object accelerates

• The object moves linearly

• The object is in equilibrium

• The object rotates

Which of the following describes dynamic equilibrium?

• The object is not moving

• The object is moving but not accelerating

• The object is rotating

• The object is accelerating

What is the role of the fulcrum in a lever?

• To decrease distance

• To increase speed

• To act as the point of rotation

• To apply force