Q.1.
A box weighs 20N. It exerts a pressure of 2Pa on a table. What is the area of the box in contact with the table?
Q.2.
Doubling the force and doubling the pressure mean .......
Q.3.
A student weighs 500N, standing on two feet she exerts a pressure of 25,000Pa on the ground. What is the area of one foot?
Q.4.
Camels have big feet so they don't sink into soft sand because .......
Q.5.
A sharp knife cuts well because .......
Q.6.
One box weighing 60N is put on top of one weighing 120N. The pressure they exert is 180Pa. What is the area touching the ground?
Q.7.
A skier weighs 600N and exerts a pressure of 2,500Pa on the snow. What is the area of the skis?
Q.8.
A skier weighs 600N, lifts one ski up and exerts a pressure of 5,000Pa on the snow. What is the area of one of the skis?
Q.9.
A box weighs 100N. It exerts a pressure of 25Pa on a table. What is the area of the box in contact with the table?
Q.10.
A 60,000N elephant can stand on one foot! The pressure it exerts is 240,000Pa. What is the area of its foot?