# How Things Move? Learn The Science Behind Motion - Physics Quiz

35 Questions | Total Attempts: 437  Settings  In physics, motion is the phenomenon in which an object changes its position over time. Motion is mathematically described in terms of displacement, distance, velocity, acceleration, speed, and time. How Things Move? Learn The Science Behind Motion in this Physics Quiz

• 1.
The device used to measure distance is
• 2.
SI Unit of distance is
• A.

Km

• B.

M

• C.

Cm

• D.

Mile

• 3.
SI Unit of Velocity is
• A.

M/s

• B.

Cm/s

• C.

Km/s

• D.

Km/hr

• 4.
SI unit of time is
• A.

Minutes

• B.

Hour

• C.

Seconds

• D.

Day

• 5.
An object moved through a distance , can it have zero displacement? (yes/no)
• 6.
If an object moving in a circle (of radius r) has displacement 0, then what will be distance it has travelled?
• 7.
When an object is uniform motion, then the acceleration of the object is uniformly increasing
• A.

True

• B.

False

• 8.
Speed can be positive, negative or 0
• A.

True

• B.

False

• 9.
Velocity can be positive, negative or zero
• A.

True

• B.

False

• 10.
Acceleration =
• A.

Speed/time

• B.

Change in speed/time

• C.

Velocity/time

• D.

Change in velocity/time

• 11.
If the distance time graph is straight line parallel to time axis, then it indicates
• A.

The object is in uniform motion

• B.

The object is in non uniform motion

• C.

The object is at rest

• D.

None of the above

• 12.
If the speed-time gragh is a straight line parallel to time axis, then it indicates
• A.

That the object is in uniform motion

• B.

The object is in non uniform motion

• C.

The object is in rest

• D.

None of the above

• 13.
Is the motion of a body uniform or accelerated if it goes round the sun with constant speed in a circular orbit? (uniform/accelerated)
• 14.
What is measured y the area occupied below the velocity/time graph?
• A.

Speed of the object

• B.

Distance covered by the object

• C.

Velocity of the object

• D.

Time taken by the object

• 15.
An object cannot move with constant acceleration when the velocity is zero
• A.

True

• B.

False

• 16.
Can an object moving in a certain direction have acceleration in perpendicular direction? (yes/no)
• 17.
What is the acceleration when change in velocity is -2m/s and time is 5s
• A.

0.4m/s2

• B.

-0.4m/s2

• C.

10m/s2

• D.

-10m/s2

• 18.
Can a body have constant speed but variable velocity? (yes/no)
• 19.
Speedometer of the car measures
• A.

Acceleration

• B.

Average speed

• C.

Instantaneous speed

• D.

Velocity

• 20.
An object travel 16m in 4s and 16 m in 2 s, what is its average speed? dont specify the unit
• 21.
A bus decreases its speed from 72 km/h to 36 km/h in 5s. find acceleration (dont mention the unit)
• 22.
If the displacement of an object is proportional to square of time, then the object moves with:
• A.

Uniform velocity

• B.

Uniform acceleration

• C.

Increasing velocity

• D.

Increasing acceleration

• 23.
Suppose a boy is enjoying a ride on a marry-go-round which is moving with a constant speed of 10 m/s. It implies that the boy is:
• A.

At rest

• B.

Moving with no acceleration

• C.

In accelerated motion

• D.

Moving with uniform velocity

• 24.
A particle is moving in a circular path of radius r. the displacement  after half a circle would be:
• 25.
Which of the following can sometimes be ‘zero’ for a moving body?   i Average velocity ii. Distance travelled iii. Average speed                           iv. Displacement
• A.

Only iv

• B.

I and iv

• C.

I and ii

• D.

Only iii

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