Advertisements
Advertisements
प्रश्न
An ox can apply a maximum force of 1000 N. It is taking part in a cart race and is able to pull the cart at a constant speed of 30 ms-1 while making its best effort. Calculate the power developed by the ox.
Advertisements
उत्तर
Given, force = 1000 N, velocity = 30 m/s-1
Power, P = Force × Velocity
P = 1000 × 30 = 30,000 W = 30 kW
APPEARS IN
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 satellite revolves around the earth in a circular orbit. What is the work done by the force of gravity? Give reason.
Differentiate between work and power.
Is it possible that no transfer of energy may take place even when a force is applied to a body?
What is a centripetal force?
In which one of the following cases is the work done more? When the angle between the direction of motion and that of the force is (i) 90° (ii) 0°.
State and define the unit of force in the S.I. system.
State the condition when the work done by the force is negative.
State the S.I. and C.G.S. units of energy. How are they related?
For the following scenario, state whether the work done by gravity is positive, negative, or zero.
A person climbs a ladder.
