Force and Pressure Worksheet-1

Force and Pressure Worksheet-1

1. Which of the following action describes pushing by a body?

(a) Kicking        (b) Lifting          (c) Picking         (d) Opening

2. Which of the following is NOT a type of force?

(a) Muscular

(b) Magnetic

(c) Chemical

(d) pulling a bucket of water from a well

3. A force is applied to an object in the direction of its motion. The speed of object will _________.

(a) Increase                                   (b) Decrease

(c) can't say                                   (d) remain unchanged

4. If no force acts on a body it will ________.

(a) change shape

(b) move with increased speed

(c) either remain in rest or move in a straight line

(d) break up

5. In football, a goal keeper stops a ball. This is due to:

(a) friction between the ball and hand of goal keeper

(b) decrease in speed of ball due to air resistance

(c) application of force-by goal keeper

(d) all of these

6. Which of the following example describes change of shape by applying force?

(a) kicking a ball to move faster

(b) switching on a fan to rotate

(c) jumping from a height

(d) tearing a paper into two pieces

7. Friction force is responsible for changing:

(a) shape of an object                  (b) direction of an object

(c) speed of an object                  (d) all of these

8. The force of friction between two bodies is:

(a) parallel to contact surface   (b) perpendicular to contact surface

(c) inclined to contact surface   (d) a non contact force

9. Which of the following is a non contact force?

(a) Muscular                                 (b) electrostatic attraction

(c) elastic spring force                (d) friction force

10. A force of 16 N is distributed uniformly on one surface of a cube of edge '8' cm. The pressure on this surface is:

(a) 3500 pa       (b) 2500 pa       (c) 4500 pa       (d) 2000 pa

Answer Key:

(1)-(a); (2)-(c); (3)-(a); (4)-(c); (5)-(c); (6)-(d); (7)-(c); (8)-(a); (9)-(b); (10)-(b)