Force, Motion & Gravity MCQs with Answers

Relativistic Mechanics produces results different from classical mechanics for bodies moving at?

• A.Very low velocities
• B.All velocities
• C.Constant velocities
• D.Very high velocities

Volume is an example of a quantity.

• A.Vector
• B.Scalar
• C.Tensor
• D.Derived

Acceleration is the rate of change of?

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

The motion of the waves has been calculated at a speed of:

• A.Less than 50 miles an hour
• B.More than a hundred miles an hour
• C.Exactly 500 miles an hour
• D.About 10 miles an hour

According to Einstein, bodies and light rays follow _?

• A.Geodesics
• B.Straight lines
• C.Elliptical paths
• D.Parabolic curves

Numerical value of G is ?

• A.9.8 Nm² kg⁻²
• B.9.8 × 10^-11 Nm² kg⁻²
• C.6.673 × 10^-10 Nm² kg⁻²
• D.6.673 × 10^-11 Nm² kg⁻²

If a cork is thrown in vibrating water, it will?

• A.Move along with the wave in the direction of propagation
• B.Stay in place and move up and down
• C.Sink to the bottom due to vibrations
• D.Move in a circular path along the surface

When body is at rest or rotating with uniform angular velocity it has _?

• A.Speed
• B.Momentum
• C.Kinetic energy
• D.All of these

Formula of Momentum = × velocity.

• A.Mass
• B.Acceleration
• C.Force
• D.Weight

The angle between rectangular components of a vector is _?

• A.0°
• B.45°
• C.90°
• D.180°