Q.1.
A four legged table exerts a pressure of 8,000 Pa on the ground. Each leg has an area of 0.01 m . What is the weight of the table?
Q.2.
The bottom of a box has an area of 5 m . What is the weight of the box to produce a pressure of 20 Pa?
Q.3.
What force is needed on an area of 5 m to produce a pressure of 25 Pa?
Q.4.
What has to happen to the force exerted over a fixed area if the pressure doubles?
Q.5.
Box A has a weight of 20 N. It is put on top of box B. These two boxes exert a pressure of 60 Pa. The area box B covers is 3 m . Find weight of box B.
Q.6.
The dimensions of a ski are 8 cm x 150 cm. What is the weight of a skier standing on 2 skis to produce a pressure of 2,500 Pa?
Q.7.
The bottom of a box has dimensions 2 m by 3 m. What is the weight of the box to produce a pressure of 20 Pa?
Q.8.
A person at a fancy dress party is wearing a trainer on one foot and a shoe with a stiletto heel on the other! Which exerts the most pressure on the ground?
Q.9.
What force is needed on an area of 4 m to produce a pressure of 16 Pa?
Q.10.
What has to happen to the force exerted if the area doubles but the pressure is unchanged?