WorksheetsIX MOTION
Total questions: 10
Worksheet time: 5mins
Which of the following is an example of non-uniform
acceleration?
The motion of a bicycle going down the slope of
a road when the rider is not pedalling and wind
resistance is negligible.
The movement of a car in a crowded road.
The motion of a freely falling body.
The motion of a ball rolling down an inclined
plane.
A quantity has a value of -6.0 m/s. It may be the
(a) speed of a particle
(b) velocity of a particle
(c) position of a particle
(d) displacement of a particle
A body thrown vertically upwards reaches a maximum
height h . It then returns to ground. The distance and
the displacement travelled by the body respectively
are
(a) 2h , zero
(b) h , zero
(c) zero, 2h
(d) zero, h
A graph is plotted showing of a car as a function of
time. If the graph is a straight line, it means that
(a) the car started at rest
(b) acceleration was constant
(c) acceleration was increasing
(d) velocity was constant
In a long distance race, the athletes were expected
to take four rounds of the track such that the line of
finish was same as the line of start. Suppose the length
of the track was 200 m. The what is the displacement
of the athletes when they touch the finish line?
(a) zero
(b) 3 m
(c) 5 m
(d) 7 m
An object is sliding down an inclined plane. The
velocity changes at a constant rate from 10 cm/s to 15
cm/s in two seconds. What is its acceleration?
(a) 10 cm/s2
(b) 2.9 cm/s2
(c) 2.5 cm/s2
(d) 40 cm/s2
If a car is traveling north on a straight road and its
brakes are applied, it will
(a) have no acceleration
(b) accelerate to the south
(c) accelerate to the north
(d) accelerate either east or west
A body, dropped from a tower with zero velocity,
reaches the ground in 4 sec. The height of the tower
is about (a) m
Distance travelled divided by elapsed time gives
(a)
A stone is let to fall from a building of height 30m.
The ratio of heights fallen by it after 2s and 3s is (a)
