Quiz

Which of the following statements about uniform circular motion is correct?

• A. Speed and velocity are constant throughout the motion.
• B. Acceleration is directed towards the center of the circle.
• C. Tangential acceleration is zero.
• D. Angular velocity changes continuously.

The property of an object to resist changes in its state of motion is called:

• A. Inertia
• B. Momentum
• C. Force
• D. Velocity

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

• A. Newton's first law of motion
• B. Newton's second law of motion
• C. Newton's third law of motion
• D. Law of gravitation

The force acting per unit area is called:

• A. Pressure
• B. Volume
• C. Density
• D. Temperature

What is the SI unit of work and energy?

• A. Joule
• B. Watt
• C. Newton
• D. Pascal

The product of force and the perpendicular distance from the point of rotation is called:

• A. Torque
• B. Momentum
• C. Impulse
• D. Pressure

Which of the following is a unit of electric current?

• A. Joule
• B. Ampere
• C. Newton
• D. Watt

The rate of change of momentum is equal to the:

• A. Force applied
• B. Impulse applied
• C. Acceleration
• D. Mass of the object

Which of the following is an example of a non-conservative force?

• A. Gravity
• B. Friction
• C. Tension in a rope
• D. Elastic force

The property of a body due to which it opposes any change in its shape, volume, or size is known as:

• A. Elasticity
• B. Plasticity
• C. Rigidity
• D. Resilience