Physics, 04.05.2020 23:01, graceaowen

In which of the following situations is work not being done?
A) Susanna lifts a letter to read it, using a force of 0.2 N.
B) A weightlifter holds a weight above his head using a force of 200 N.
C)A small bulldozer pushes a pile of dirt across the ground with a force
of 150 N
D)Johnny lifts a textbook from the floor to the top of his desk using a
force of 3 N.

Answers: 1

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In which of the following situations is work not being done?
A) Susanna lifts a letter to read...