Motion Test

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Motion Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following is a vector quantity?

A Retardation

B Speed

C Force

D Distance

A
(a) and (c) are correct

B
All of these

C
(b) and (c) are correct

D
(a), (b) and (c) are correct
Question 2
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Which of the is true for displacement?

A It cannot be Zero

B Its magnitude is greater than the distance travelled by the object

C It’s the shortest distance between initial & final position

D It is a vector quantity

A
(a), (b) and (c) are correct

B
All of these

C
(b) and (c) are correct

D
(a) and (b) are correct
Question 3
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Statement A: When a body moves with uniform speed, then the average speed is same as instantaneous speed.

Statement B: Average speed is less than average velocity.

Which of the above statement is true

A
both a and b

B
Statement A

C
Statement B

D
neither statement A nor B.

Solution

Explanation:

When a body moves with uniform speed, then the average speed is same as instantaneous speed. Average speed is calculated by dividing the total distance travelled with total time taken.
Question 4
1 / -0

A car is moving with uniform speed and covers 100m in 50 second find the speed.

A
1m/s

B
8m/s

C
4m/s

D
2m/s

Solution

Explanation:

Speed = distance / time, here, distance = 100 m and time = 50 s. therefore, speed = 100 m/50 s = 2 m/s.
Question 5
1 / -0

Instantaneous speed of a vehicle is measured by

A
speedometer

B
odometer

C
both a and b

D
none of these.

Solution

Explanation:

Instantaneous speed of a vehicle is measured by speedometer. Instantaneous speed is the speed of the vehicle at particular interval of time.
Question 6
1 / -0

A particle covers equal distance in equal interval of time. It is said to be

A
none of these

B
moving with constant speed (ans)

C
moving with constant acceleration

D
at rest

Solution

Explanation:

When a body covers equal distance in equal interval of time. It is said to be moving with constant speed. This type of motion is called uniform motion.
Question 7
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Statement A: A curved line in a speed – time graph means non-uniform motion.

Statement B : A curved line in a velocity – time graph means uniform acceleration

A
Both the statement A and B are true

B
neither statement A nor Statement B is true.

C
statement B is false, A is true

D
statement A is true, B is false

Solution

Explanation:

A curved line in a speed-time graph means non-uniform motion. In speed-time graph, uniform motion is represented by straight line parallel to time zone.
Question 8
1 / -0

A train 120m long moving on a straight and level track with uniform speed passes a pole in 6 seconds. Find the time it will take to cross a 50m long bridge.

A
9.5 second.

B
8.5 second

C
8 second

D
9 second

Solution

Explanation:

The speed of train = 120 m /6 = 20 m/s. time taken to cross a 50 m long bridge = (120 m + 50 m)/20 = 170/20 = 8.5 second.
Question 9
1 / -0

Match the following with correct response.

(1) Speed

(2) Velocity

(3) Acceleration

(4) Average speed

(A) Displacement / Time taken

(B) Total distance covered / Total time taken

(C) Change in velocity / Time taken

(D) Distance covered / Time taken

A
1-C, 2-B, 3-D, 4-A

B
1-D, 2-A, 3-C, 4-B

C
1-A, 2-C, 3-B, 4-D

D
1-B, 2-D, 3-A, 4-C
Question 10
1 / -0

Which of the following is an example of uniform motion?

A The motion of car in the busy road

B The motion of a satellite around the planet

C The motion of moon around the earth

D The motion of any particle on the arm of a clock

A
(a) and (b) are correct

B
All of these

C
(b), (c) and (d) are correct

D
(b) and (c) are correct

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Motion Test - 1

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Motion Test - 1

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SHARING IS CARING

Question 1

(a) and (c) are correct

All of these

(b) and (c) are correct

(a), (b) and (c) are correct

Question 2

(a), (b) and (c) are correct

All of these

(b) and (c) are correct

(a) and (b) are correct

Question 3

both a and b

Statement A

Statement B

neither statement A nor B.

Solution

Question 4

1m/s

8m/s

4m/s

2m/s

Solution

Question 5

speedometer

odometer

both a and b

none of these.

Solution

Question 6

none of these

moving with constant speed (ans)

moving with constant acceleration

at rest

Solution

Question 7

Both the statement A and B are true

neither statement A nor Statement B is true.

statement B is false, A is true

statement A is true, B is false

Solution

Question 8

9.5 second.

8.5 second

8 second

9 second

Solution

Question 9

1-C, 2-B, 3-D, 4-A

1-D, 2-A, 3-C, 4-B

1-A, 2-C, 3-B, 4-D

1-B, 2-D, 3-A, 4-C

Question 10

(a) and (b) are correct

All of these

(b), (c) and (d) are correct

(b) and (c) are correct

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