Question

1.S.I.unitofpoweris:

(a)J/s

(b)Js

(c)s/J

(d)Js2

2.Ifthebodystartsfromrest,thenchangeinitskineticenergyis

(a)positive

(b)Negative

(c)Zero

(d)MaybePositiveornegativedependinguponthemassofthebody

3.Whichofthefollowingquantitieshavesameunits?

(a)Powerandenergy

(b)Powerandwork

(c)workandenergy

(d)Noneoftheabove

4.Ifabodyisstoredataheight‘h’thenitwillposses:

(a)Kineticenergy

(b)Potentialenergy

(c)Both

(d)None

5.Iftheforceappliedonthebodydistancesthebodyintheoppositedirectionofforce

appliedthenworkdoneis

(a)Positive

(b)Negative

(c)Zero

(d)Dataincomplete

​

Answer 1

1. a) J/s

2. d) depend on body mass

3. a) power and energy

4. c) both

5. b) negative

hope it help you,,MARK BRAINLIST