Work and Energy...

Match the following with correct response.
(1) W
(2) 1 KW
(3) 1 KWh
(4) 1 HP

(A) Nm
(B) 3.6 × 106J
(C) 1000W
(D) 746 W

Which of the following is unit of energy
A) Newton metre
B) Joule
C) Kilowatt hours
D) Kilowatt

What is necessary to do the work
a) A force is acted on the object
b) Object is displaced
c)A force is acted on object it is not displaced
d) All of the above

K. E of a body is always

If momentum of a body is doubled, the K. E becomes

In a watch P. E of wound spring is converted into

A body is thrown vertically upwards, during its rise the P. E _________ and K. E __________

The point of maximum K. E in case of oscillating pendulum is _______________ position.

In which of the following mentioned activities, the P. E is converted into K.E.

The gravitational P. E depends on