What is the unit of mass in the SI system?

• Kilogram (kg)
• Newton (N)
• Pascal (Pa)
• Joule (J)

Which of the following represents a scalar quantity?

• Force
• Velocity
• Acceleration
• Mass

If an object is in equilibrium, which of the following is true?

• The net force is zero.
• The object is moving.
• The object is rotating.
• The object is at rest.

What is the formula for work done by a force?

• Force × Distance
• Force × Velocity
• Mass × Acceleration
• Pressure × Area

What is the term for the force that opposes motion between two surfaces?

• Tension
• Friction
• Compression
• Torque

What is the unit of force in the SI system?

• Newton (N)
• Joule (J)
• Pascal (Pa)
• Watt (W)

Which law states that for every action, there is an equal and opposite reaction?

• Newton's Third Law
• Newton's First Law
• Newton's Second Law
• Hooke's Law

Which physical quantity is a vector?

• Velocity
• Force
• Displacement
• Mass

What is the formula for kinetic energy?

• 1/2 mv^2
• mv²
• mgh
• m × v

What is the gravitational force on an object with mass m?

• mg
• m/v
• m + g
• g² + v