If a trolley starts from rest with an acceleration of 2 m/s2 , the velocity of the body after 4s would be
2 m/s
8 m/s
4 m/s
6 m/s
A body moving along a circular path has
a constant speed
a constant velocity
no tangential velocity
no radial acceleration
The SI unit for angular velocity is
m/s
rad
rad/s
m/rad
If a body covers equal distance in equal time intervals,it is said to
Be at rest.
Be move with uniform speed.
Be move with uniform velocity.
Be move with uniform acceleration.
A rubber ball dropped from a certain height is an example of
uniform acceleration
uniform speed
uniform retardation
non-uniform speed
Choose the wrong statement :
Retardation is a vector quantity
Acceleration due to gravity is a vector quantity
Average speed is a vector quantity
Displacement is a vector quantity
In Fig.1.34, BC represents a body moving
backward with uniform velocity
forward with uniform velocity
backward with non-uniform velocity
forward with non-uniform velocity
Which of the following physical quantity is different from others ?
displacement
velocity
force
kinetic energy
In a vacuum chamber if a coin and a feather are dropped from the same height at the same time,which of them reaches the bottom surface first?
coin
Feather
Both of them reach the bottom at the same time
Cannot be predicated.
Which of the following relation represents the relationship between the average speed, time and distance correctly ?
Time = average speed + distance
