Question

1. A force of 100 N is applied on an area of 4 m2. Compute prssure eing
applied on the area. (1)
2. What is force? State the difference between contact force and non-
contact force. (2)
3. Why do sea divers wear specially designed suits? (1)
4. An archer shoots an arrow in the air horizontally. However, after moving
some distance, the arrow falls to the ground. Name the initial force that
sets the arrow in motion. Explain why the arrow ultimately falls. (1)
5. Two rods: A and B, having same weight and equal length have different
thickness. Rod A is thinner while Rod B is thicker. They are held
vertically on the surface of sand. Which one of them will sink more?
Why? (2)
6. Explain an activity with a neat diagram to show that a liquid exerts
pressure on the walls of the container. (3)​

Answer 1

Answer:

Question 3. A force of 100 N is applied on an area of 4 m2. Compute pressure being applied on the area. Answer: Given: Force = 100 N, Area = 4 m2 ∴ Pressure ...