Laws of Motion

Related Questions

• A bird is sitting in a large closed cage which is placed on a spring balance. It records a weight of 25 N. The bird (mass m = 0.5 kg) flies upward in the cage with an acceleration of $2\,m/{s^2}$. The spring balance will now record a weight of

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• A vehicle of 100 kg is moving with a velocity of 5 m/sec. To stop it in $\frac{1}{{10}}\sec $, the required force in opposite direction is

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• In the above problem if the lift moves up with an acceleration equal to the acceleration due to gravity, the reading on the spring balance will be

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• You are on a frictionless horizontal plane. How can you get off if no horizontal force is exerted by pushing against the surface

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• A rocket of mass 1000 kg exhausts gases at a rate of 4 kg/sec with a velocity 3000 m/s. The thrust developed on the rocket is

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