An object weighing 50 kg is lifted vertically through a height of 10 M. What is the work done?
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Answer:
4905 Joules
Explanation:
Work = Force * Distance
(I’m using an asterisk to denote multiplication)
Force (in Newtons) exerted by a mass m is:
F = m * g
(assuming we are on Earth, that is)
where g is the acceleration due to gravity, 9.81 m/s/s
T
herefore Work = Mass * g * Distance
= 50 * 9.81 * 10
=4905 Joules
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