Show:
Motion
Forces
Work and Energy
Machines
Random
100
What's a position?
Location of an object.
100
Whats a force?
Any push or pull from a object.
100
Whats work?
Measurement of the energy put in a task.
100
Whats simple machine?
Machine that takes one force and changes its direction .
100
Whats a compound machine?
Many simple machines togethere.
200
What's a motion?
Change in position over time.
200
Whats friction?
A force that opposes the motion.
200
Whats energy?
Ability to perform work change an object.
200
Whats effort?
The force you apply.
200
Whats a reaction force?
The push of the second object.
300
What's a frame of reference?
Group of objects from which you can measure a position.
300
Whats a balanced force?
When forces act on a object.
300
What potential energy?
Energy that is stored in the position.
300
Whats load?
The object moved by a output.
300
Whats acceleration?
Change in velocity.
400
What's speed?
How fast an objects position changes.
400
Whats unbalanced force?
A force that causes an object to change.
400
Whats kinetic energy?
Energy of a moving object.
400
Whats a fulcrum?
A lever rotates a pivot point.
400
Whats momentum?
Product of mass multiplied by velocity.
500
Whats velocity?
Measurement that combines both speed and direction.
500
Law of conservation of energy what is it?
A theory.
500
Whats efficiency?
Ratio in a input energy
500
If you through a ball what will the energy be.
Kinetic energy.