Multiple choice question I — task. Science CBSE, Class 9.

PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

Book Free Demo

1. Negative value of work done indicates that

(A) Force and displacement are in the same direction
(B) More than one force is acting on the object
(C) Displacement and force are in opposite directions
(D) Both (B) and (C)

2. A body moves through a distance of \(3\ m\) in the following different ways. In which case is the maximum work done?

when pushed over an inclined plane
when lifted vertically upward
when pushed over smooth rollers
when pushed on a plane horizontal surface.

Login or Fast registration

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content