Force, Motion & Gravity MCQs with Answers

The plane stays in the air _?

• A.By using air downward, creating lift
• B.By floating on air like a balloon
• C.By reducing its weight to zero
• D.By pushing air backward only

Near Earth's surface g = ?

• A.11 ms⁻²
• B.9.8 ms⁻²
• C.8.9 ms⁻²
• D.10 ms⁻²

Coulomb's law most closely resembles with ?

• A.Newton's Law of Gravitation
• B.Faraday's Law of Electromagnetic Induction
• C.Ohm's Law
• D.Kepler's Law of Planetary Motion

Past Paper MCQ

Mass is same physical quantity as

• A.Inertia
• B.Weight
• C.Momentum
• D.Density

In a rotating spaceship, to produce artificial gravity, what does the centripetal force do?

• A.Pushes objects towards the outer wall
• B.Pulls objects towards the center of rotation
• C.Pushes objects along the direction of motion
• D.Creates a downward gravitational pull

A Newton is the force ?

• A.That gives a 1 kg body an acceleration of 1 m/s²
• B.That gives a 1 g body an acceleration of 1 cm/s²
• C.That gives a 1 kg body an acceleration of 9.8 m/s²
• D.That gives a 1 g body an acceleration of 1 m/s²

The moment of inertia of an object does not depend upon:

• A.Mass of the object
• B.Distribution of mass about the axis of rotation
• C.Angular velocity
• D.Axis of rotation chosen

When a bus starts and speeds up suddenly, the passenger sitting in the bus leans backward. This is because of _?

• A.Inertia of rest
• B.Inertia of motion
• C.Inertia of direction
• D.Momentum

Which of the following type of force does no work?

• A.Electrostatic force
• B.Frictional force
• C.Gravitational force
• D.Centripetal force

The floating and sinking of objects depend on which one of the following?

• A.Mass
• B.Volume
• C.Density
• D.Weight