Laws of Motion

Related Questions

• A 500 kg horse pulls a cart of mass 1500 kg along a level road with an acceleration of $1\,m{s^{ - 2}}$. If the coefficient of sliding friction is 0.2, then the force exerted by the horse in forward direction is

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• A body of mass 4 kg weighs 4.8 kg when suspended in a moving lift. The acceleration of the lift is

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• A mass is hanging on a spring balance which is kept in a lift. The lift ascends. The spring balance will show in its reading

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• 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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• Two trolleys of mass m and 3m are connected by a spring. They were compressed and released once, they move off in opposite direction and comes to rest after covering distances ${S_1}$and ${S_2}$ respectively. Assuming the coefficient of friction to be uniform, the ratio of distances ${S_1}:{S_2}$ is

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