Question

Column A

1. Lubricants

2. Shape of aeroplane

3. Non contact force

4. Contact force

5. Friction
Column B

a. Frictional force

b. Gravitational force

c. wear and tear

d. Streamlined

e. Oil and greese​

Answer 1

Answer:

Column A

1. Lubricants

2. Shape of aeroplane

3. Non contact force

4. Contact force

5. Friction

Column B

a. Frictional force

b. Gravitational force

c. wear and tear

d. Streamlined

e. Oil and greese

Answer 2

Answer:

1.Lubricants - e) oil and Greece

2.shape of aeroplane - d) streamlined

3.Non contact force - b) gravitational force

4.contact force- a)frictional force

5.Friction - c) wear and tear

hope it helps ...