Civil Engineering - Applied Mechanics - Discussion

1. 

A retarding force on a body does not

[A]. change the motion of the body
[B]. retard the motion of the body
[C]. introduce the motion of the body
[D]. none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Alok Raj said: (Jul 18, 2018)  
Retarding force produces -ve acceleration.

So this force reduces velocity and finally 0 velocities.
"Retard" mean "work"
So Retarding force does not retard the motion of the body.

Souvik said: (Apr 3, 2020)  
Answer must be option (c).

Walrrd said: (Oct 26, 2020)  
@Alok,

Retard doesn't mean work. It means to reduce the motion of something. Option C should be the right answer.

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