The change in its position in a specified direction is called
Displacement
Distance
Velocity
None of these
In MKS system units of acceleration is
Cm/sec
m/s
m/sec2
When the velocity of a body is changing ,the body is said to be
changing
rotating
accelerating
All physical quantities can be separated into
two
three
four
can't say
In MKS system unit of velocity is
cm/sec
m/s2
m2sec2
C.G.S unit of speed is
km/s
erg
The diagram below shows a worker using a rope to pull a cart. The worker’s pull on the handle of the cart can best be described as a force having.
magnitude, only
direction, only
both magnitude and direction
none of these
SI unit of velocity is
Km/sec
Kg2/Nm2
Acceleration is a
Scalar quantity
Vector quantity
Uniform velocity
A car covers 30 km at a uniform speed of 60km/hr, and the next 30 km at a uniform speed of 40km/hr. The total time taken is :
30 min
45 min
75 min
60 min
