Laws of Motion

Related Questions

• A car having a mass of 1000 kg is moving at a speed of 30 metres/sec. Brakes are applied to bring the car to rest. If the frictional force between the tyres and the road surface is 5000 newtons, the car will come to rest in

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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 force of 98 N is required to just start moving a body of mass 100 kg over ice. The coefficient of static friction is

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• A ball of mass 0.5 kg moving with a velocity of 2 m/sec strikes a wall normally and bounces back with the same speed. If the time of contact between the ball and the wall is one millisecond, the average force exerted by the wall on the ball is

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• The coefficient of friction between a body and the surface of an inclined plane at 45° is 0.5. If $g = 9.8\,m/{s^2}$, the acceleration of the body downwards in $m/{s^2}$ is

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