A………..is an agent which moves or tends to move a stationary body, stops or tends to stop a moving body or which tends to change the speed and direction of a moving body.
a) stress
b) force
c) pressure
d) none of these
When one object comes in contact with another object and exerts a force, this type of force is known as . . . . . .
a) field force
b) action-at-a-distance force
c) contact force
d) magnetic force
The gravity of the Earth is an example of . . . . .
a) contact force
b) action-at-a-distance force
c) field force
d) both b & c
The SI unit of force is . . . . . .
a) Newton
b) newton (N)
c) pascal
d) both a & b
1 N = . . . . . . . .
a) 1kgm/s
b) 1kgs2/m
c) 1kgm/s2
d) 1kgm-1s-2
Newton’s Laws of Motion
