Motion Test

Result

Motion Test - 4

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Weekly Quiz Competition

Question 1
1 / -0

A particle performing periodic motion satisfies the equation:

A
f(t) = f(t)+T

B
f(t) = f(t)−T

C
f(t)=f(t+T)

D
None of the above

Solution

A particle performing the periodic motion should repeat the motion after a finite time period T. Hence it should satisfy the equation f(t) = f(t+T)
Question 2
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Motion in which all points of a moving body move uniformly in the same line or direction is known as-

A
Rolling

B
Rotatory

C
Both A and B

D
Translational

Solution

According to the question, the correct option will be ‘D’ because If a body rotates its motion its rotator. The rolling motion is a combination of rotation and translation motion.
Only in translational motion body moves along a straight line, that means the body doesn't rotate then its motion is translational.
Question 3
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After regular intervals, motion which repeats itself-

A
Oscillatory motion

B
Vibratory motion

C
Periodic motion

D
None

Solution

According to the question, the correct option will be ‘C’ because motion which repeats itself after regular intervals of time is known as periodic motion. Oscillatory motion is to and from motion.
Question 4
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Examples of periodic motion are-

A
Oscillations of a pendulum.

B
The motion of a swing

C
Motion of the earth around the sun

D
All of the above

Solution

According to the question, the correct option will be ‘D’ because Period motion is a motion in which motion body performing it is repeated in regular interval of time. The all given motion do so, So all the motion is periodic.
Question 5
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According to a scientist, he applied a force F = −CX^1/3 on a particle and the particle is performing SHM. No other force acted on the particle. He refuses to tell whether c is a constant or not. For the motion to be in SHM

A
C = 0

B
as x increases c decreases

C
as x increases c remains constant

D
the motion cannot be SHM

Solution

According to the question the correct option will be ‘C’ because according to concept S.H.M, we know that restoring force increases with increases of displacement. In this case, this will happen when 'C' remains constant at x increases.
Question 6
1 / -0

The displacement in periodic motion is-

A
directly proportional to the restoring force

B
Inversely proportional to the restoring force

C
Independent of restoring force

D
Independent of any force acting on the particle

Solution

According to the question, the correct option will be ‘A’ because of the displacement of the body from its equilibrium is directly proportional to the restoring force. Therefore, the higher the displacement, the higher is the restoring force. The correct option is (a)
Question 7
1 / -0

Rectilinear motion is a motion that occurs in :

A
Straight line

B
Straight line

C
Both A and B

D
None

Solution

According to the question, the correct option will be ‘A’ because the rectilinear motion is a straight line motion or one-dimensional motion.
Question 8
1 / -0

Find the number of degrees of freedom of an oscillating simple pendulum-

A
More than three

B
3

C
2

D
1

Solution

According to the question, the correct option will be ‘C’ because there are 2 degrees of freedom, 1 translational along which the pendulum bob moves, and second rotational - the hinge about which it forms an arc motion.

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Re-Attempt Weekly Quiz Competition

Motion Test - 4

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Motion Test - 4

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SHARING IS CARING

Question 1

f(t) = f(t)+T

f(t) = f(t)−T

f(t)=f(t+T)

None of the above

Solution

Question 2

Rolling

Rotatory

Both A and B

Translational

Solution

Question 3

Oscillatory motion

Vibratory motion

Periodic motion

None

Solution

Question 4

Oscillations of a pendulum.

The motion of a swing

Motion of the earth around the sun

All of the above

Solution

Question 5

C = 0

as x increases c decreases

as x increases c remains constant

the motion cannot be SHM

Solution

Question 6

directly proportional to the restoring force

Inversely proportional to the restoring force

Independent of restoring force

Independent of any force acting on the particle

Solution

Question 7

Straight line

Straight line

Both A and B

None

Solution

Question 8

More than three

3

2

1

Solution

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