SI unit of velocity is
Km/sec
m/s
Kg2/Nm2
none of these
The distance covered by a body in a unit time interval is called
Displacement
Force
Speed
Acceleration
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
A body is said to possess acceleration if its velocity is
increasing
no change
decreasing
None of these
A body is said to move with _________ if it covers equal displacement in equal intervals of time.
Uniform velocity
Velocity
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
In MKS system units of acceleration is
Cm/sec
m/sec2
A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?
120 metres
180 metres
324 metres
150 metres
The speed of a moving object is determined to be 0.06 m/s.This speed is equal to :
2.16 km/h
1.08 km/h
0.216 km/h
0.0216 km/h