Force & Pressure

Force and Pressure Worksheet-4

1. Barometer is used for measuring:

(a) Liquid pressure                      (b) Thrust

(c) Atmospheric pressure           (d) Air temperature

2. The force used by an archer to pull a bow is:

(a) muscular force                       (b) friction force

(c) gravitational force                 (d) elsatic spring force

3. Which of the following is NOT attributable to application of force?

(a) rowing of a boat

Force and Pressure Worksheet-5

1. A rubber sucker sticks to a surface because of:

(a) property of rubber                (b) gravitational force

(c) elastic spring force                (d) atmospheric pressure

2. A body submerged in the sea is brought upto its surface. Which of the following graphs represents correctly the variation of the pressure on the body with decrease in the depth?

(a)

(b)

Force and Pressure Worksheet-6

1. A box was pushed over an equal distance on four different surfaces. The force needed for each surface was recorded in the table below.

On which surface was the friction least?

(a) P                    (b) Q                   (c) R                    (d) S

2. John and Peter go to the amusement park to play the pin ball game. The figure shows the extent to which each of them pulls the striker. Which one of the following statements is correct?