Quiz

Which of the following is a scalar quantity?

• A. Velocity
• B. Force
• C. Acceleration
• D. Distance

What is the SI unit of power?

• A. Watt
• B. Joule
• C. Ohm
• D. Volt

Which law of motion is described by the equation F = ma?

• A. First law
• B. Second law
• C. Third law
• D. Zeroth law

What is the SI unit of electric charge?

• A. Coulomb
• B. Ampere
• C. Volt
• D. Ohm

Which of these quantities is conserved in an isolated system according to the law of conservation of energy?

• A. Kinetic energy
• B. Potential energy
• C. Mechanical energy
• D. Total energy

What does the term "inertia" refer to?

• A. Resistance to change in motion
• B. Ability to do work
• C. Energy stored in a body
• D. Force exerted by an object

What happens to the speed of an object if a constant force is applied in the direction of its motion?

• A. Increases
• B. Decreases
• C. Remains constant
• D. Depends on the mass

Which law of thermodynamics states that heat flows from a hot object to a cold object?

• A. Zeroth law
• B. First law
• C. Second law
• D. Third law

What is the function of an inclined plane in physics?

• A. To amplify force
• B. To change direction of force
• C. To increase distance
• D. To reduce effort required

Which of these quantities is a vector?

• A. Work
• B. Energy
• C. Power
• D. Momentum