When is the work done by a force zero, even though the force acts on a moving body?
Work, Energy and Power
Original Khojo Papers practice question — not from a past board paper.
210 J
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Work = force × displacement in the direction of the force = 35 × 6 = 210 J.
From the same topic and chapter, at a similar level.
When is the work done by a force zero, even though the force acts on a moving body?
Work, Energy and Power
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Work, Energy and Power
Calculate the work done when a force of 25 N moves a body through 4 m in the direction of the force.
Work, Energy and Power
A body of mass 2 kg is raised through a height of 10 m. Calculate the potential energy gained. Take g = 10 m s−2.
Work, Energy and Power
A machine does 3000 J of work in 15 s. Calculate its power.
Work, Energy and Power
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Work, Energy and Power