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
A body is thrown vertically upwards and rises to a height of 10 m. The velocity with which the body was thrown upwards is ( g = 9.8 m/s2 )
10 m/s
20 m/s
14 m/s
none of these
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 has an acceleration of -4 ms-2 . What is its retardation ?
-4 ms2
4 ms-2
zero
nothing can be decided
S.I unit of retardation is
ms2
ms
ms-1
ms-2
The velocity-time graph of a body moving in a fixed direction is a straight line.Then the body has
constant speed
constant velocity
constant acceleration
variable acceleration
A body whose speed in a particular direction is constant
must be accelerated
might be accelerated
has a constant velocity
cannot be accelerated
Unit of acceleration is
m/s
m/s2
Which of the following physical quantity is different from others ?
displacement
velocity
force
kinetic energy
A body is thrown up with an initial velocity u and covers a maximum height of h, then h is equal to
2 ug
