The change in its position in a specified direction is called
Displacement
Distance
Velocity
None of these
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
The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is:
200 m
225 m
245 m
250 m
The position of a particle going along a straight line is x1 = 50 m at 10.30 a.m. and x2 = 55 m at 10.35 a.m.The displacement between 10.30a.m and 10.35a.m. is :
2 m
5 m
7 m
9 m
When the velocity of a body is changing ,the body is said to be
changing
rotating
accelerating
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
A body is said to move with _________ if it covers equal displacement in equal intervals of time.
Acceleration
Speed
Uniform velocity
1 Km/hour=
18/5 m/s
16/5 m/s
5/18 m/s
All physical quantities can be separated into
two
three
four
can't say
A particle has a value of 46.0 ms-1. It may be the
force of the particle
velocity of the particle
momentum of the particle
acceleration of the particle
