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A body of mass 10kg is raised to a height of 4meters above the ground in 2second |
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Answer» ong>Answer: 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 Therefore Work = Mass * g * Distance = 10 * 9.81 * 5 =490.5 Joules |
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