Physics exam review session

Front

What is the SI unit used to measure force?

Back

Newtons

Front

If a 20 kg bike accelerates at 10 m/s², what is the force applied?

Back

200 Newtons

Front

What is the difference between speed and velocity?

Back

Speed is the distance traveled per unit of time, while velocity includes direction.

Front

How is power defined in physics?

Back

Power is the rate at which work is done, measured in watts.

Front

What is a simple machine?

Back

A device that changes the direction or magnitude of a force.

Front

What are the two classifications of simple machines?

Back

The two classifications are the lever and the inclined plane.

Front

What is an example of a lever?

Back

A seesaw is an example of a lever.

Front

What is the formula for calculating force?

Back

Force = mass × acceleration (F = m × a).

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion, calculated as KE = 1/2 mv².

Front

What is potential energy?

Back

Potential energy is the stored energy of an object due to its position or state.