KINEMATICS
Forces & Newton’s Laws
Energy
Electricity & Circuits
Waves & Optics
100

What is acceleration?


This is the rate of change of velocity.

100

What is the Law of Inertia?

Newton’s First Law is also called this.

100

What is kinetic energy?

The energy of motion is called this.

100

What is the ampere?

The unit of electric current is this.

100

What is wavelength?

The distance between two wave peaks is called this.

200

 What is zero?

An object moving at constant velocity has this acceleration.

200

What is mg?

The force of gravity near Earth is equal to this expression.

200

What is potential energy?

Energy stored due to position is called this.

200

What is V=IR?

Ohm’s Law is expressed as this equation.

200

What is frequency?

The number of waves per second is called this.

300

What is displacement?

The area under a velocity-time graph represents this.

300

What is friction?

This force opposes motion between two surfaces in contact.

300

What is 1/2mv^2?

The equation for kinetic energy is this.

300

What is the same?

In a series circuit, current is this throughout.

300

What is v=f(wavelength)?

Wave speed is calculated using this equation.

400

What is v^2=v^2/0+2aΔx?

This equation relates velocity, acceleration, and displacement without time.

400

What are action-reaction pairs?

According to Newton’s Third Law, forces always come in these.

400

What is mechanical energy?

When only conservative forces act, this quantity is conserved.

400

What is the same?

In a parallel circuit, voltage is this across each branch.

400

What is diffraction?

When waves bend around obstacles, it is called this.

500

What is slowing down?

If acceleration is negative and velocity is positive, the object is doing this.

500

What is equilibrium?

If net force is zero, the object is in this state.

500

What is displacement (in the direction of the force)?

Work is defined as force times this.

500

What is P=IV?

Power in a circuit can be calculated using this formula.

500

What is refraction?

The bending of light between materials is called this.