Question

work done __________
A)is always positive
B) is always negative
C) can be positive, negative or zero
D) can never be zero
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Answer 1

Answer:

can be negative, positive or zero

Answer 2

Answer:

Work is done whenever a force moves something over a distance. You can calculate the energy transferred, or work done, by multiplying the force by the distance moved in the direction of the force. Energy transferred = work done = force x distance moved in the direction of the force.