what is the work done in case of satellite moving around the earth.
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no work is done, because the displacement is tangential to the orbit of the satellite and the force is acting towards the centre of the earth. force and displacement vectors are therefore perpendicular to each other.
since W=Fs cos theta and cos 90 = 0, W=0
since W=Fs cos theta and cos 90 = 0, W=0
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The satellite moves around the earth in a circular path.
The gravitational force of the Earth is the centripetal force.
Then at every point of the circular orbit, centripetal force act on the satellite at right angles to the direction of motion of the satellite, θ = 90º.
We Know, W = F s cos θ
= F s cos 90º
= F s (0)
= 0 ...✔
_________
Thanks...✊
The satellite moves around the earth in a circular path.
The gravitational force of the Earth is the centripetal force.
Then at every point of the circular orbit, centripetal force act on the satellite at right angles to the direction of motion of the satellite, θ = 90º.
We Know, W = F s cos θ
= F s cos 90º
= F s (0)
= 0 ...✔
_________
Thanks...✊
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