Question 1

What is the primary force that keeps planets in orbit around the sun?

Accepted Answer

Gravity

Answer

Friction

Answer

Magnetism

Answer

Inertia

Question 2

Which of the following describes the law of inertia?

Accepted Answer

An object in motion stays in motion unless acted upon by an external force.

Answer

For every action, there is an equal and opposite reaction.

Answer

Energy cannot be created or destroyed.

Answer

The acceleration of an object is proportional to the net force acting on it.

Question 3

What is the principle behind the conservation of energy?

Accepted Answer

Energy cannot be created or destroyed, only transformed from one form to another.

Answer

Energy increases in closed systems.

Answer

Energy can be created from nothing.

Answer

Energy is always lost to heat.

Question 4

What is the unit of force in the International System of Units (SI)?

Accepted Answer

Newton

Answer

Pascal

Answer

Watt

Answer

Joule

Question 5

What is the speed of light in a vacuum?

Accepted Answer

299,792,458 meters per second

Answer

3,000,000 meters per second

Answer

150,000,000 meters per second

Answer

300,000 kilometers per hour

Question 6

What is the formula for calculating kinetic energy?

Accepted Answer

\frac{1}{2}mv^2

Answer

\frac{1}{2}mv^2

Answer

\frac{1}{2}mv^2

Answer

\frac{1}{2}mv^2

Question 7

What is the acceleration due to gravity on the surface of the Earth?

Accepted Answer

9.8 meters per second squared

Answer

9.8 kilometers per hour squared

Answer

10 meters per second

Answer

8.9 meters per second squared

Question 8

What is the function of a prism in optics?

Accepted Answer

To refract light and disperse it into its component colors

Answer

To absorb all light that hits it

Answer

To produce light through chemical reactions

Answer

To reflect light without changing its color

Question 9

What type of energy is stored in a compressed spring?

Accepted Answer

Potential energy

Answer

Thermal energy

Answer

Kinetic energy

Answer

Mechanical energy

Question 10

Which of the following best describes the concept of wavelength?

Accepted Answer

The distance between two consecutive peaks of a wave

Answer

The frequency of wave oscillations

Answer

The speed at which a wave travels

Answer

The height of a wave peak

Related quizzes