Rate of change of velocity is called
Acceleration
Force
Velocity
None of these
If acceleration is negative, it is called:
Accelerating
Non uniform acceleration
Retardation
Speed
According to law of length of simple pendulum:
Distance travelled by a body per unit time is known as
Displacement
Needle of a sewing machine is an example of
Rotatory Motion
Rectilinear Motion
Oscillatory Motion
Periodic Motion
A car moves a distance of 20m after each passing second. Then it is called:
Uniform Motion
Non - Uniform Motion
Distance is a
vector
scalar
normal
none of these
Time period =
2 x Frequency
Law of gravity states that .