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संबंधित प्रश्न
A man having a box on his head, climbs up a slope and another man having an identical box walks the same distance on a levelled road.
Who does more work against the force of gravity and why?
A body is moved in a direction opposite to the direction of force acting on it. State whether the work is done by the force or work is done against the force
A coolie X Carrying a load on his head climbs up a slope and another coolie Y carrying the identical load on his head move the same distance on a frictionless horizontal platform. Who does more work? Explain the reason.
kWh is the unit of ______.
What is meant by a rotatory motion? Give one example.
What is a centripetal force?
What do you mean by a centrifugal force?
State and define the unit of force in the S.I. system.
Justify the statement. “Power can be expressed as the product of force and velocity.”
A machine raises a load of 750 N through a height of 16 m in 5 seconds. Calculate the power at which the machine works.
