Force & Pressure

Force and pressure Worksheet-4

1. When we press the bulb of a dropper with its nozzle kept in water, air in the dropper is seen to escape in the form of bubbles. Once we release the pressure on the bulb, water gets filled in dropper. The rise of water in the dropper is due to

A. pressure of water                    B. gravity of the earth

C. Shape of rubber bulb             D. Atmospheric pressure

2. Force is a

A. Pull                                             B. Push

Force and pressure Worksheet-5

11. The pressure on an object _____ with the increase in altitude from Earth surface.

A. Increases                                   B. decreases

C. remains same                           D. none

12. The resistance to motion experienced between two sliding objects is

A. Gravitational                            B. Electrostatic

Force and pressure Worksheet-6

1. Give two examples of each of situation in which you push or pull to change the state of motion of objects.

2. Give two examples of situations in which applied force causes a change the shape of an object.

3. In the following situations identify the agent exerting a force and the object on which it acts.

State the acts effect of the force in each case.

(a) Squeezing a piece of lemon between the fingers to extract its juice.

(b) Taking out paste from a toothpaste tube.

(c) A load suspended from a spring while its other end is on a hook fixed to a wall.