Simple Machines
Energy
Newton's Laws
Equations
Random
100
A simple machine with a fulcrum.
What is a lever?
100
The ability to do work.
What is energy?
100
An object in motion stays in motion and an object at rest stays at rest unless acted on by an unbalanced force.
What is the first law?
100
Equation of power.
What is work/time?
100
A mouse pushing cheese across a floor.
What is an example of work?
200
Make work easier.
What do simple machines do?
200
Kinetic, potential, mechanical, thermal, sound, light, chemical, electrical, and nuclear
What are forms of energy.
200
Acceletation of an object depends on the mass of the object and the amount of force applied.
What is newtons 2nd law?
200
Equation of momentum.
What is mass x velocity?
200
A change in velocity over time.
What is acceleration?
300
A simple machine that uses grooved wheels and a rope to raise, lower, or move a load.
What is wheel and axle
300
The energy of motion.
What is kinetic energy?
300
For every action there is a reaction.
What is newtons 3rd law?
300
Equation of force.
What is mass x acceleration?
300
When the motion of an object will not change.
What are balanced forces?
400
Bikes, faucets, cars, skates, and scooters.
What are some uses of wheel and axle?
400
Joules
What unit is energy expressed in?
400
Example of newtons 1st law. (extra time)
What is (anything using inertia)
400
Equation for average speed
What is total distance/total time?
400
Action reaction forces are equal and opposite, then momentum is neither gained nor lost.
What is the relationship between momentum and newtons 3rd law?
500
1)Helps move heavy objects more easily. 2)Consists of two back to back inclined planes. 3)Inclined plane wound around a nail.
What is a ramp, a wedge, and a screw?
500
Energy transfer on a roller coaster, getting up from a chair, or starting to run.
What is an example of potential to kinetic?
500
Law of Inertia
What is newtons 1st law of motion sometimes called?
500
Equation for work.
What is force x distance?
500
Forces act in....
What are pairs?
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