Force, Motion & Gravity MCQs with Answers

Oscillation of shock absorber of a car is a practical example of?

• A.Free oscillation
• B.Damped oscillation
• C.Forced oscillation
• D.Resonant oscillation

What is meant by meter per second?

• A.Speed
• B.Velocity
• C.Acceleration
• D.Force

An object attached to one end of a spring makes 20 vibrations in 10 seconds. Its frequency is?

• A.2 Hz
• B.0.5 Hz
• C.200 Hz
• D.20 Hz

A tight rope walker carries a long pole to ?

• A.Reduce air resistance
• B.Increase his weight
• C.Increase friction with the rope
• D.Lower his centre of gravity

The distance covered by a unit of time is called?

• A.Velocity
• B.Displacement
• C.Acceleration
• D.Speed

Torque is defined as?

• A.Product of mass and angular velocity
• B.Product of mass and acceleration
• C.Product of force and velocity
• D.Product of force and perpendicular distance from axis of rotation

What will be the time period of a simple pendulum in a freely falling lift?

• A.Zero
• B.Infinite (∞)
• C.Same as on Earth's surface
• D.Double of that on Earth's surface

Which gear is most powerful?

• A.Reverse
• B.Second
• C.Third
• D.First

Why is pulling easier than pushing?

• A.Because pulling increases the frictional force by increasing the apparent weight
• B.Because pulling eliminates friction completely
• C.Because pulling reduces the frictional force by decreasing the apparent weight
• D.Because pulling increases the normal reaction on the object

If the material recovers its original dimensions when an external force is removed, this deformation is known as deformation.

• A.Plastic
• B.Elastic
• C.Brittle
• D.Ductile