Question 6
Which of the following statements is incorrect?

(a) Friction acts on a ball rolling along the ground.
(b) Friction acts on a boat moving on water.
(c) Friction acts on a bicycle moving on a smooth road.
(d) Friction does not act on a ball moving through air.

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Solution

(d) Friction does not act on a ball moving through air.

Friction acts on a ball moving through the air.

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Q. Question 6
Which of the following statements is incorrect?

(a) Friction acts on a ball rolling along the ground.
(b) Friction acts on a boat moving on water.
(c) Friction acts on a bicycle moving on a smooth road.
(d) Friction does not act on a ball moving through air.

Q. A body is moving in a constant state of motion on rolling on ground
A)Friction is acting in the same direction
B)Friction is absent
C)Friction is greater
D)All of these

A ball is rolling on a road towards the south. What will be the direction of frictional force acting on it?

A force of 10 N acts on a ball moving on a surface. The force of friction that must act between the surface of the ball and the surface so that the ball keeps on moving with constant velocity over the surface must be:

Q. A ball is undergoing pure rolling on a metal surface. What type of friction is acting on the ball?

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Standard VIII Physics

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Question 6 Which of the following statements is incorrect? (a) Friction acts on a ball rolling along the ground. (b) Friction acts on a boat moving on water. (c) Friction acts on a bicycle moving on a smooth road. (d) Friction does not act on a ball moving through air.

(d) Friction does not act on a ball moving through air. Friction acts on a ball moving through the air.

Question 6
Which of the following statements is incorrect?

(a) Friction acts on a ball rolling along the ground.
(b) Friction acts on a boat moving on water.
(c) Friction acts on a bicycle moving on a smooth road.
(d) Friction does not act on a ball moving through air.

(d) Friction does not act on a ball moving through air.

Friction acts on a ball moving through the air.