Advertisements
Advertisements
प्रश्न
How is work done by a force measured when the force is in the direction of displacement?
Advertisements
उत्तर
Work = Force × Displacement of the force's application point in the force's direction,
W = F × S
संबंधित प्रश्न
Name the quality which is measured in kWh.
A boy weighing 350 N climbs up 30 steps, each 20 cm high in 1 minute, Calculate:
- the work done and
- power spent.
Name the quality which is measured in Wh.
Name two places in india where electricity is generated from nuclear power plants.
What do you mean by uniform circular motion?
A boy takes 3 minutes to lift a 20 litre water bucket from a 20 m deep well, while his father does it in 2 minutes. Compare:
- the work, and
- power developed by them.
A boy takes 3 minutes to lift a 20 litre water bucket from a 20 m deep well, while his father does it in 2 minutes.
How much work each does? Take density of water = 103 kg m-3 and g = 9.8 N kg-1.
How is 1 kgf related to the SI unit of force?
