Question

[ ]
1. S.I. unit of work
a) N-m
b) Kg-m
c) N/m
d) N-m?
2. The energy possessed by a body by virtue of its motion is called as
[ ]
a) Potential energy
b) Kinetic energy
c) Attractive energy
d) Gravitational energy
3. Two objects with same masses have been dropped from same height at same time.
Which of the following will remain same in case of these objects [ ]
a)Speed b) Gravitational force c) Potential energy d) Kinetic energy
4. A person is climbing a ladder with a suitcase on his head. Then the work done by that
person on that suitcase is
[ ]
a) Positive b) Negative c) Zero
d) Can not be defined
5. If you have lifted a suitcase and kept it on a table., then the work done by you will
depend on
[ ]
a) The path of the motion of the suitcase b) The time taken by you to do the work
c) Weight of the suitcase
d) Your weight​

Answer 1

Answer:

1) newton meter

2)kinetic energy

3)gravitational force

4)zero

5)c