These questions consists of two statements each printed as Assertion and Reason. While answering these question you are required to choose any one of the following five reponses
(a) If both Assertion and Reason arecorrect and Reason is the correct explanation of Asserrtion.
(b) If both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.
(c ) If Assertion is true but Reason is false.
(d) If Assertion is false but Reason is true.
Assertion . Work done by constant force is equal to magnitude of force multiplied by displacement.
Reason. Work done is scalar quantity. If may be positive, negative or zero.

Answer

D

Explanation

(d) Work done by a constant force
`="Force"xx"displacement in the direction of force"`.