Question

2. Class I Lever.
Pues. 6 -Answer the following questions in brief. (Do
1. Give two uses of an inclined plane.
2. How does a lubricant reduce friction?
3. When is an object said to be at rest?
4. Why do airplanes have a streamlined shape?
5. What are the intermolecular forces?
6. Give an example of a situation where work don
ues.7 - Give reasons for the following statements.​

Answer 1

Answer:

1.Inclined planes are widely used in the form of loading ramps to load and unload goods on trucks, ships and planes.

2.Lubrication reduces the heat generated when two surfaces are in motion.

3.An object is said to be at rest if it does not change its position with respect to its surroundings with time or when its useless or damaged.

4.The aeroplanes have streamlined shaped bodies to reduce drag.

5.Intermolecular forces are the forces which mediate interaction between molecules.

6.Kicking a football.

Moving a chair.

Throwing a stone.

Riding a bicycle.

Explanation:

I tried each answer to be as short as possible so its easy to learn.

Wish it helps you.