Question

A. Tick (v) the correll
b. It is a contact force.
c. A smooth surface causes more friction.
d. We are able to walk because of friction.
ngn of a bo
duce friction
tic friction
the body
a. Ball bearings
C. Grease
b. Oil
d. All of the above
Horse pulls
art becaus
a. left side
c. both the sides
b. right side
d. vertically
at the eff
Friction to
surfac
a. It causes wear and tear of surfaces.
b. Energy is not wasted due to friction.
c. Friction produces sound.
d. Both a. and c.
5. Which of the following is not an example of friction?
a. Car moving on a road
b. Writing on a paper
c. Flying in an aeroplane
d. Hammering a nail
De the clues to con
1. Which one of the following is not true for friction?
a. It opposes the direction of motion of an object.
2. Which of the following is used to reduce friction?
3. If force is applied from right side, friction will act on the:
4. Which of the following is a disadvantage of friction?​

Answer 1

Answer:

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Answer 2

Answer:

d

5) b

Explanation:

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