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Physics, 31.03.2021 01:30 Jasten

Which of the following statements about work is not true? a) A force must be exerted on an object for work to be done.
b) When work is done, an object is displaced or moved by a force.
c) The object must be accelerating.
d) When work is done, at least part of the force must be in the same direction as
the displacement

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