A “variable force” is the force that only increases with time.

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Editor">Editor Staff asked 1 year ago

A “variable force” is the force that only increases with time.
 
(a) True
 
(b) False
 
The question was posed to me in quiz.
 
I’d like to ask this question from Work-Energy Theorem for a Variable Force topic in chapter Work, Energy and Power of Physics – Class 11
Select the correct answer from above options 
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Editor">Editor Staff answered 1 year ago

The correct answer is (b) False
 
Explanation: A “variable force” is the force that changes with time. This force can increase or decrease at random time intervals. However, it is not constant with respect to time.
 
i.e., dF/dt is not equal to “zero”.

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