Force, Work & Energy Worksheet-3

Force, Work & Energy Worksheet-3

 

Multiple Choice Questions:

  1. If we apply force on a light object, it will _____. 

(a) not move               (b) move

 

  1. We can say _____ is done if a force exerted on an object moves it in the direction of the force.

(a) energy                    (b) work                      (c) friction

 

  1. We ______ move everything with our bare hands.

(a) cannot                   (b) can

 

  1. Which tool make our work easy?

(a) Machines              (b) Bare hands

 

  1. What type of machine is a lever?

(a) Simple                   (b) Complex

 

  1. Which simple machine is used to lift heavy weights?

(a) Pulley                     (b) Lever                     (c) Screw

 

  1. Which simple machine is used to cut things?

(a) Lever                      (b) Wheel                    (c) Pulley

 

  1. Which simple machine is used to open the lid of a tin?

(a) Wedge                   (b) Screw                    (c) Lever

 

  1. Which simple machine is used to move heavy weights?

(a) Wedge                   (b) Lever                     (c) Screw

 

  1. The spoon acts as a _____ when we use a spoon handle to open the lid of a tin.

(a) Lever                      (b) Wheel                    (c) Wedge

 

Answer Key:

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