…………..is a non-contact force by which earth attracts other objects towards itself.
a) Friction force
b) gravity force
c) both a & b
d) none of these
The rate of doing work is called:
NTS DM -----6/2/2021
a) Energy
b) Power
c) Momentum
d) Impulse
………….is the amount of gravitational force acting on an object.
a) weight
b) mass
c) both a & b
d) none of these
The unit of power is: NTS DM -----6/2/2021
a) Joule
b) Watt
c) Newton
d) Coulomb
………….of an object does not remain the same everywhere.
a) weight
b) mass
c) both a & b
d) none of these
A fisher man is pulling off a shoe out of the water by using a: NTS
DM ----15/9/2019
----(8:30)
a) Class one lever
b) Class two lever
c) Class three lever
d) fixed pulley
e) Compound pulley