Energy and Speed Lesson 1 Flashcards
The distance an object moves in an amount of time
Speed
the speed and direction of an object
Velocity
a change in velocity over time
Acceleration
The ability to do work
Energy
the energy that is stored inside an object
Potential energy
The energy an object has because it is moving
Kinetic energy
The tendency of a moving object to keep moving in a straight line or any object to resist a change in motion
Inertia
Force that results from the interaction of two objects in contact with each other
Contact force
The movement of energy from one object to another or the change of energy from one form to another
Energy transfer
A force which acts on an object without coming physically in contact with it
Non-contact force
A principle in physics that states that energy can neither be created nor destroyed and that the total energy of a system by itself remains constant
Conservative of energy
The process of an object changing position over time.
Motion
The force of attraction between two objects due to their mass
Gravity
We use energy to change
Change things grow move work
Objects with potential energy are not using __________________right now but it is stored and can be used ________________
Energy later
The higher the object the _________________potential energy
More
Kinetic energy does not _____________if an object moves higher or lower
Change
An object kinetic energy depends on the object’s ________________
Speed
The object with greater _______________________has more kinetic energy
Mass
____________________________is the energy an object gains when work is done on it
Mechanical energy
Two forms of mechanical energy
Potential energy kinetic energy
_____________________is any push or pull
Force
________________________________of an object depends on the force on the object
Acceleration
If you apply the same force to two objects of different masses the greater mass accelerates more _____________________
Slowly
The pull of gravity on 2 objects depends on two factors________________________in the objects ___________________between objects
Amount of matter distance
Gravity _______________________________as distance increases
Decreases
The pull of gravity between earth and moon causes the ________________
Tides
_________________is a force that opposes the motion of an object moving past another
Friction
Energy is transformed when it _____________________from one form to another
Changes
_____________________cradle is an example of transferring energy
Newtons
