MCQEasy1 mark
Select the correct option for each of the following questions
A coolie raises a load upwards against the force of gravity then the work done by the load is: (a) zero. (b) positive work. (c) negative work. (d) none of these.
Topic: Machines, levers and pulleys
Previous-year question practice database
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Pick an option and check your answer. The full worked answer is below either way.
Answer
Exam answer
(c) negative work.
Explanation
The load's displacement is upward while gravity acts downward.
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