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  • A water tanker filled up to 2/3 of its height is moving with a uniform speed.On sudden application of the brake the water in the tank would (a) move backward (b) move forward

A water tanker filled up to 2/3 of its height is moving with a uniform speed. On sudden application of the brake, the water in the tank would

(a) move backward
(b) move forward
(c) be unaffected
(d) rise upwards

Answers (1)

Ans. B

Sol.

When the tank is moving forward, the water in the tank is also moving forward with the same speed. If suddenly brakes are applied, the tank decreases its speed but water cannot decrease its speed immediately because of its inertia. Hence it seems to travel more distance in forward direction in comparison with the tank.

This property of inertia, causes water to move forward on the sudden application of break.

The correct answer to this question is option B.

 

Posted by

Gurleen Kaur

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