MULTIPLE CHOICE QUESTIONS.
1. The displacement of a body is proportional to the cube of the time lapsed.
The magnitude of the acceleration is ____
a) Increasing with time c) decreasing with time
b) Constant d) zero
2. Particle acceleration from rest at a constant rate for some time and attains a
constant velocity of 8 m / s. Afterwards it decelerates with a constant rate and
comes to rest. If the total time taken is 4 second, the distance travelled is ___
a) 32 metre c) 4 metre
b) 16 metre d)insufficient area
3. A moving body is covering a distance directly proportional to the square of
time. The acceleration of the body is ____
a) Increasing c) decreasing
b) Zero d) constant
4. The branch of physics which deals with the motion of objects while taking into
consideration the cause of motion is_____
a) Statics c) dynamics
b) Kinematics d) none5. There is an argument about uniform acceleration between Mr. X and Mr. Y.
Mr. X says “acceleration means that farther you go faster you go”. Mr. Y says
“acceleration means that longer you go the faster you go”. Whose statement
is correct?
a) Mr. X c) Mr. Y
b) Both d) none
6. Choose the wrong statement:
a) Retardation is a vector quantity.
b) Acceleration is a vector quantity.
c) Average speed is a vector quantity.
d) Displacement is a vector quantity.
7. For the motion on a straight line path with constant acceleration the ratio of
the magnitude of the displacement to the distance covered is_____
a) =1 c) ≥ 1
b) ≤ 1 d) <1
8. A car travels 100 km east and then 100 km south. Finally it comes back to the
starting point by the south-east route. Throughout the journey the speed is
constant at 60 km / h. The average velocity for the whole journey if time taken
is 3.3 hours is____
a) 60 km/h c)90 km/h
b) 0 km/h d) 180 km/h
9. The area under the velocity – time graph gives the values of___
a) Distance travelled c) velocity
b) Acceleration d) none
10.Which of the following statements is true?___
a) The object speeds up
b) The object slows down
c) The object moves with a constant velocity
d) The object stays at rest
11.Which of the following is true?
a) The object increases its velocity
b) The object decrease its velocity
c) The object`s velocity stays unchanged
d) The object stays at rest
12.A body moving with uniform acceleration has velocities 20 m/s and 30 m/s
when passing two points A and B. Then the velocity midway between A and B
is______
a) 25 m/s c) 24 m/s
b) 25.5 m/s b) 20 m/s
13.A girl running a race acceleration at 2.5 m/s2
for the first 4s of the race. How
far does she travel in this time?
a) 20 m c) 25 m
b) 10 m d) 20.5 m
14.A body is moving with a uniform velocity of 10 m/s. Find its velocity after 10 s?
a) 10 m/s c) 20 m/s
b) 15 m/s d) 10.5 m/s
15.The velocity of a car is 18 m/s. Express this velocity in km/h?
a) 64.8 km/h c) 70 km/h
b) 64 km/h d) 65 km/h
Answers
Answered by
2
- a.
- c.
- d.
- b.
- a.
Umed Kate hai apko madad ho
Answered by
2
Answer:
1. (a) increasing with time
2. (b) 16m
3. (d) constant
4. (c) dynamics
5. (a) Mr. X
6. (c) average speed is a vector quantity
7. (b)
8. (b)
9. (a)
10. and 11 question is inappropriate
12.(b)
13.(a)
14.(a)
15.(a)
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