Force, Motion & Gravity MCQs with Answers

In ocean, pressure increases 1 atm for every _?

• A.5 m
• B.10 m
• C.20 m
• D.50 m

According to Coulomb's law, there is an inverse relationship between the volume and pressure of a gas.

• A.True
• B.Partially true, depending on temperature
• C.False
• D.Only true for ideal gases

A girl throws a small stone into a lake. The ripples produced on the surface of water travel at a speed of 0.5 m/s and have a wavelength of 0.25 m. What is the frequency of the ripples?

• A.2.0 Hz
• B.0.5 Hz
• C.1.0 Hz
• D.0.125 Hz

One nautical mile per hour is equal to how many knots?

• A.1 knot
• B.1.852 knots
• C.0.5 knot
• D.2 knots

The density of gases increases when its ?

• A.Pressure increased
• B.Temperature increased
• C.Volume increased
• D.None of these

The graph of pressure versus volume for Boyle's law is?

• A.Straight line
• B.Hyperbola
• C.Parabola
• D.Circle

The particles in a Solid have the following movement?

• A.Move freely in all directions
• B.Move randomly at high speed
• C.Slide past each other
• D.Vibrate at a fixed position

What force is involved when we rub our hands together to warm them in winter and when we rub a matchstick to ignite it?

• A.Friction
• B.Gravity
• C.Magnetic force
• D.Electrostatic force

Diffusion is a process of _?

• A.Movement of particles against the concentration gradient
• B.Separation of particles using a semipermeable membrane
• C.Intermixing of particles of different matters on their own
• D.Forced mixing of two substances by stirring

Air at the sea level is dense. This is the practical application of ?

• A.Boyle's Law
• B.Charles's Law
• C.Archimedes' Principle
• D.Pascal's Law