Newtons Laws
What is the net force of a combined force of 7 N north with a force of 5 N South?
What is- two newtons north
A disturbance that carries energy from one location to another location.
What is- A wave
Waves that are capable of traveling through a vacuum (empty space).
What are- Electromagnetic Waves
Matter that has a definite volume but no definite shape.
What is- A liquid
What is the S I unit for energy?
What is- Joule
What does Newton's second law of motion say about an object's acceleration?
What is - It increases as its mass decreases And as the force acting on it increases
A substance or material that carries the wave.
What is- A medium
The number of waves that pass in a given amount of time.
What is- Frequency
A state of matter that starts out as a gas and becomes ionized.
What is- Plasma
What type of energy is stored in a stretched rubber band?
What is- Potential energy
Which of Newton's laws explains inertia?
What is- The first law of motion
Name the two types of waves
What are- Transverse and Longitudinal Waves
The bouncing back of a wave after it hits a surface that it doesn’t go through.
What is- Reflection
Solid to Gas
What is- Sublimation
By increasing the speed of an object what happens to its potential energy?
What is- It does not affect the potential energy
What is the force that opposes motion between two surfaces that are touching?
What is- Friction
Requires a medium to transport their energy.
What are- Mechanical Waves
Occurs when a wave changes speed.
What is- Refraction
Well separated with no regular arrangement. Vibrate and move freely at high speeds
What is- Gas
What type of energy does the gasoline in a bus engine transfer as a bus moves?
What is- Kinetic energy
Which of newtons laws is an example of sitting in a chair
What are- the first and third laws
Medium moves in a direction perpendicular to the direction that the wave moves.
What is- A transverse wave
The transfer of energy by a wave to the medium through which it travels.
What is- Absorption
The freezing point is the same as which other point during phase change
What is- The melting point
Suppose you are jumping on a trampoline. At the top of your jump, what can be said about the amount of your potential energy?
What is- Potential energy is at maximum