Which of the following is not a vector quantity?
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Physics GK · all questionsWork, Energy and Power
Work, Energy and Power
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Work done by a man standing on a platform holding 10kg suitcase is-
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Work is done on a body only when-
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An object of mass 30 kg is being transferred by 10 m/s uniform velocity. What is the kinetic energy of an object?
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What is the work done if the angle between applied force and the direction of the displacement is 90°?
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An object of 12 kg is placed at a certain height from the ground. If the potential energy of the object is 600 J, find the height of the object with respect to ground. (g = 10 ms-2)
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Calculate the acceleration produced when a force of 100 N is applied to an object of mass 50 kg.
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There is a body falling from a mountain has?
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To say that the work has been done, two conditions must be completed, one of them is-
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An object of mass 14kg is moving at the velocity of 5m/s. Find the kinetic energy contained in an object?
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Momentum = . . . . . . . .
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If the weight of an object is 200 N, find its mass. (g = 10 ms-2)
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The example of the conservative force is
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Which of the following equations calculates momentum?
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Flying a rocket can be understood by . . . . . . . .
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20 N force is acting on a body. Body moves 4 meter in direction of applied force, then work done is-
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What can be predicted with respect to the energy in the given figure?
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Assertion (A) Work done by friction on a body sliding down an inclined plane is positive.
Reason (R) Work done is greater than zero it the angle between force and displacement is acute.
Reason (R) Work done is greater than zero it the angle between force and displacement is acute.
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The product of force and displacement is called-
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When the hammer of 15kg is raised to a height of 10m, find the potential energy obtained by it?
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