Laws of Motion

Related Questions

• Which one of the following is not used to reduce friction

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• A body of mass 1.0kg is falling with an acceleration of 10 $m/se{c^2}$. Its apparent weight will be $(g = 10m/{\sec ^2})$

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• If a ladder weighing 250 N is placed against a smooth vertical wall having coefficient of friction between it and floor is 0.3, then what is the maximum force of friction available at the point of contact between the ladder and the floor

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• A mass of 10 gm is suspended by a string and the entire system is falling with a uniform acceleration of $400\,cm/{\sec ^2}.$The tension in the string will be $(g = 980\,cm/{\sec ^2})$

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• A cart of mass M is tied by one end of a massless rope of length 10 m. The other end of the rope is in the hands of a man of mass M. The entire system is on a smooth horizontal surface. The man is at x = 0 and the cart at x = 10 m. If the man pulls the cart by the rope, the man and the cart will meet at the point

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