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Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
100
The factor that does not change in an experiment.
What is constant
100
Acceleration is a rate of change of what?
What is velocity
100
The unit of momentum
What is kgxm/s
100
What energy is measured in.
What is joules
100
The rate at which work is done.
What is power
200
The prefix kilo- means
What is 1000
200
Newton's first law of motion.
What is inertia
200
The path of a projectile.
What is curved
200
According to the law of conservation of energy, the total amount of energy in the universe does what?
What is remains constant
200
When two or more simple machines work together.
What is compound machine
300
The variable plotted on the horizontal or x-axis.
What is independent variable
300
The speed and direction which an object moves.
What is velocity
300
What friction is the friction between two surfaces that are NOT moving past each other.
What is static
300
What can you calculate gravitational potential energy (GPE) by using what equation?
What is GPE(J)=m(kg)x9.8m/s2xh(m)
300
The unit of power.
What is wedge
400
Any machine that helps make something easier.
What is technology
400
Acceleration occurs when an object changes what?
What is speed and direction
400
"To every action there is an equal and opposite reaction."
What is Newton's third law of Motion
400
Lowering an object is decreasing what?
What is potential energy
400
The ratio of resistance force to effort force.
What is mechanical advantage
500
An idea, event, or object can be represented by something to help people better understand it.
What is model
500
The relationship among speed, distance, and time.
What is s=d/t
500
When an object moves in an circular path, it accelerates toward the center of the circle as a result of what?
What is centripetal force
500
As mass decreases, what increases?
What is kinetic energy
500
The force you apply to a simple machine.
What is effort force