Physics Quiz

Which of the following is a scalar quantity?

• Force

• Velocity

• Displacement

• Mass

The area under a velocity-time graph represents:

• Acceleration

• Displacement

• Speed

• Force

An object is accelerating if:

• Its speed is increasing at a constant rate

• It moves at constant speed

• It is stationary

• It has constant momentum

What is the unit of acceleration?

• m/s

• m/s²

• kg·m/s²

• m²/s

The mass of an object is 10 kg. Its weight on Earth is approximately:

• 10 N

• 100 N

• 1000 N

• 9800 N

Which physical quantity does a spring balance measure?

• Mass

• Density

• Weight

• Force

The moment of a force depends on:

• Speed and direction

• Force and distance from pivot

• Mass and acceleration

• Area and pressure

An object in equilibrium must have:

• A resultant force

• A non-zero moment

• Balanced forces and zero resultant moment

• Zero mass

Pressure in a liquid increases with:

• Decreasing depth

• Increasing surface area

• Increasing depth

• Lower density

What quantity is conserved in a closed system when no external force acts?

• Velocity

• Energy

• Momentum

• Acceleration