Work, Force & Energy Worksheet-5

Work, Force & Energy Worksheet-5

Multiple-Choice Question:

1. Which energy transition takes places when a match stick is lit?

(A) Potential to Heat Energy

(B) Potential to Kinetic Energy

(C) Kinetic to Chemical Energy

(D) Chemical to Heat Energy

2. A car is racing up a hill has:

(A) Potential energy                    

(B) Kinetic energy

(C) Both kinetic and potential energy

3. A ball rolls down a hill under the influence of _____ force.

(A) Gravitational       (B) Magnetic              (C) Electrostatic

4. When a plastic comb is rubbed against woollen cloth, it attracts small bits of paper. This attractive force is ______ in nature.

(A) Gravitational       (B) Electrostatic       (C) Magnetic

5. When you are climbing up with a rope, you are applying _______ on the rope.

(A) Pull                        (B) Push                       (C) None of these

6. Work is said to be done if you are pushing a wall.

(A) True                       (B) False                      (C) Can’t say

7. In the game of ‘Tug of War’, players apply _____ type of force.

          (A) Pull                         (B) Push                       (C) None of these

8. The energy possessed by a body due to its position or configuration is called ______ energy.

(A) Potential               (B) Kinetic                  (C) Kinetic

9. Which type of energy transition is taking place when we switch on a radio?

(A) Mechanical to electrical

(B) Electrical to sound

(C) Electrical to heat

10. Charging of mobile phone is an example of:

(A) Mechanical energy to electrical energy change

(B) Electrical energy to chemical energy change

(C) Electrical energy to heat energy change

Answer Key:

(1)-(D); (2)-(C); (3)-(A); (4)-(B); (5)-(A); (6)-(B); (7)-(A); (8)-(A); (9)-(B); (10)-(B)