PHYSICS 1. An object of mass one kilogram is lifted vertically ofheight two meter then the amount of work done be:
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Explanation: Unit of energy is Joules (J) or Kg m^2 /s^2. Therefore the energy required to lift the object of mass 1kg to the height 1 m is 9.8 Jules.
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Answer:
20
Explanation:
work done = force × ∆ds
force =mg = 1×10=10
w.d= 10 × 2 = 20j
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