QuestionMechanics / work
In which of the following situations will an applied force do negative work on a body?
- (a) The applied force and displacement of the body are at 135° to each other
- (b) The applied force and displacement of the body are parallel to each other
- (c) The applied force and displacement of the body are perpendicular to each other
- (d) The applied force and displacement of the body are at 45° to each other
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