Introduction:
……..laws can be used to predict motion using forces and acceleration.
a) Einstein
b) Newton
c) Galileo
d) Pascal
Work:
In the scientific sense for work to be done it require……………..
a) force
b) displacement
c) energy
d) both a & b
……….is said to be done when a force acting on a body moves it in the direction of force.
a) action
b) reaction
c) work
d) none of these
Mathematically work done W is given as:
a) W = F × S
b) W = F × r
c) W = F × a
d) W = F × v
