# Motion MCQ Test - Class 9 (Ankan Sir)

10 Questions | Total Attempts: 1674  Settings  Total Question: 10 FM: 30

• 1.
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 acceleration

• D.

Decreasing acceleration

• 2.
From the given v-t graph, it can be inferred that the object is
• A.

At rest

• B.

In uniform motion

• C.

Moving with uniform acceleration

• D.

In non-uniform motion

• 3.
A particle is moving in a circular path of radius r. The displacement  after half a circle would be:
• A.

Zero

• B.

Nr

• C.

2r

• D.

2nr

• 4.
When a car driver travelling at a speed of 10 m/s applies brakes and brings the car to rest in 20 s, then the retardation will be:
• A.

+ 2 m/s2

• B.

− 2 m/s2

• C.

− 0.5 m/s2

• D.

+ 0.5 m/s2

• 5.
The speed - time graph of a car is given here. Using the data in the graph calculate the total distance covered by the car.
• A.

1250 m

• B.

875 m

• C.

1500 m

• D.

870 m

• 6.
The numerical ratio of displacement to distance for a moving object is:
• A.

Always less than 1

• B.

Equal to 1 or less than 1

• C.

Always more than 1

• D.

Equal to 1 or more than one

• 7.
A train starting from a railway station and moving with uniform acceleration attains a speed 40 km h-1 in 10 minutes. Find its acceleration.
• A.

0.0185 m/s2

• B.

1 m/s2

• C.

2 m/s2

• D.

3 m/s2

• 8.
Acceleration is a _____________ quantity.
• 9.
An artificial satellite is moving in a circular orbit of radius 42250 km. Calculate its speed if it takes 24 hours to revolve around the earth.
• A.

3074 m/s

• B.

4052 m/s

• C.

6870 m/s

• D.

2500 m/s

• 10.
A motorboat starting from rest on a lake accelerates in a straight line at a constant rate of 3.0 m s-2 for 8.0 s. How far does the boat travel during this time?
• A.

100 m

• B.

96 m

• C.

110 m

• D.

84 m Back to top