MCQ type ques of ch- kinematics

2. Q1 - The displacement of a particle along
x-axis is given by x = 4 + 6t + 5t2. Its
acceleration at t = 2s :
a) 100 m/s2
b) 10 m/s2
c) 1000 m/s2
d) 2 m/s2

3. Q2 – On acceleration-time graph
horizontal line indicates :
a) Constant velocity
b) Constant acceleration
c) Zero acceleration
d) Zero displacement

4. Q3 - What does this graph indicate
about the motion of an object ?
a) objectismovinginnegativedirection
withnegativeacceleration
b) objectismovinginnegativedirection
withpositiveacceleration
c) objectismovinginpositivedirection
withnegativeacceleration
d) objectismovinginpositivedirection
withpositiveacceleration

5. a) 1
b) 3 / 2
c) 1 / 2
d) 0
Q4 - The position x of a particle varies
with time (t) as x = 3t2 – 2t3
The acceleration of the particle will be
zero at time :

6. Q5 - If the signs of the velocity and
acceleration of a particle are the same,
the speed of the particle
______________.
a) Decreases
b) Cannot conclude anything
c) Increases
d) Remains same

7. Q6 - On velocity-time graph, a
horizontal line indicates:
a) zero displacement
b) zero velocity
c) zero acceleration
d) constant acceleration

8. Q7 - A boy throws up a ball in a stationary
lift and the ball returns to his hands in 10 s.
Now if the lift starts moving up at a speed
of 5 m/s. The time taken for a ball thrown
straight up to return to his hands is:
a) insufficient information given
b) equal to 10 s
c) less than 10 s
d) more than 10 s

9. Q8 - If a car increases its speed by
unequal amounts in equal interval of
time, then the car is said to be moving
with :
a) Uniform acceleration
b) Uniform velocity
c) Zero acceleration
d) Non uniform motion

10. Q9 - The slope of velocity-time
graph gives:
a) Acceleration
b) Distance
c) Displacement
d) Speed

11. Q10 -Two stones of different masses
are thrown vertically upward with
same initial velocity. Which one will
rise to a greater height?
a) Stone of lower mass
b) Stone of higher mass
c) Both will rise to the same height
d) Information given is insufficient

12. Q11 - What does this graph indicate
about the motion of an object?
a) object is moving in positive
direction with positive
acceleration
b) object is moving in positive
direction with negative
acceleration
c) An object is moving in
positive direction till time t1,
and then turns back with the
same
d) object is moving in negative
direction with negative
acceleration

13. Q12 - The dimensions of (change in
velocity / time) is :
a)[LT-1]
b)[L/T-2]
c) [LT-2]
d)[L/T-1]

14. a) (0 – 100) s
b) (200 – 300) s
c) (300 – 400) s
d) (100 – 200) s
Q13 - The following velocity-time graph depicts
the motion of a vehicle. During what part of the
motion was the vehicle experiencing zero
acceleration?

15. Q13 - The following velocity-time graph depicts
the motion of a vehicle. During what part of the
motion was the vehicle experiencing negative
acceleration?
a) (200 - 400) s
b) (100 - 200) s
c) (0- 100) s
d) (400 - 600) s

16. Q15 - For uniform circular motion:
a) velocity is along circle and
acceleration is towards the
centre of circle
b) velocity and acceleration is
towards the centre of circle
c) velocity and acceleration is along
the tangent
d) velocity is along tangent and
acceleration is towards the
centre of circle