Show:
Kinetic and Potential Energy
motion and speed
acceleration
forces
gravity and motion
100
what is using more energy?, cat running or a cat standing still?
a cat running
100
what is position?
it describes the location of an object
100
What is acceleration?
the rate at which velocity changes
100
why don't force pairs have equal effects?
gravity
100
What is gravity?
a force of attraction between objects due to their mass
200
What is kinetic energy?
What is kinetic energy?he energy of all motion.
200
What is velocity?
it's speed in a specific direction
200
What is centripetal acceleration?
acceleration in a circular motion
200
What do we call two forces in action?
action and reaction
200
What is free fall?
when gravity is pulling it down and no other are acting on it
300
What is energy?
the ability to cause change.
300
a location to which you compare other locations
What is reference point?
300
acceleration can be a change in speed or...
velocity
300
What is force?
a push or a pull exerted on an object
300
What is orbit?
when it travels around another object in space
400
What is potential energy?
Stored energy
400
What is speed?
a measure of how far something moves in a given amount of time
400
units of acceleration are...
velocity, speed, and contripetal acceleration
400
What is interia?
the tendency of an object to resist a change in motion
400
true or false, gravitational forces is stronger between object with more mass?
true