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प्रश्न
How is work done by a force measured when the force is in the direction of displacement?
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उत्तर
Work = Force × Displacement of the force's application point in the force's direction,
W = F × S
संबंधित प्रश्न
A boy weighing 40 kgf climbs up a stair of 30 steps each 20 cm high in 4 minutes and a girl weighing 30 kgf does the same in 3 minutes. Compare:
- The work done by them.
- The power developed by them.
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1) Name the force exerted by the table top
2) What is the direction of the force?
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Name the quality which is measured in kW.
Name the force needed for circular motion. What is the direction of the force?
How much force is applied on a body when 150 J of work is done in displacing the body through a distance of 10 m in the direction of the force?
State and define the unit of force in the S.I. system.
How is 1 kgf related to the SI unit of force?
