kinetic and potential energy
motion & speed
balance and unbalance
gravity
method of nature
100
what is energy?
energy is the ability to cause change
100
what is motion
motion is the change in position over time
100
What is a balanced force?
A balanced force is two or more object produce a net force of 0 N,.
100
what is gravity?
Gravity a force of connection between two objects
100
Taylor boiled some water she wanted to see in what container it would evaporate first. what is the independent variable ?
The containers
200
What energy is being used, when someone is going down a hill?
Potential
200
What is the difference between speed and velocity
Speed is and object in motion, Velocity is an object in motion in a direction.
200
What is unbalanced force?
When the net force is not 0 N, and the forces are unbalanced.
200
what would happen to an object in orbit without gravity pulling it down?
the object would have no forces acting on it at all
200
The _________ variable never changes?
Dependent.
300
What has more kinetic energy, a walking cheetah or a running cheetah
A running cheetah has more kinetic energy.
300
How can you find average speed?
To find average speed, you divide distance by time.
300
is a net force a commination of all forces?
yes
300
an object traveling around another object in space is ________.
orbit
300
what is the definition of a independent variable?
the variable changes.
400
If an item has a greater mass will it gain more kinetic energy?
Yes, because the gravitational pull will pull the one with more mass first.
400
What is a vector?
A vector is a quantity that has both size and direction.
400
what is newton first law
inertia
400
how do round object in space form?
the mass is large enough so that the object all come together and make a sphere.
400
what is the definition of an dependent variable?
the dependent variable never changes.
500
What are the two factors that determine an object gravitational potential energy
Mass and height above ground
500
What information do you need to describe it's location?
You need to compare the reference point with position.
500
what are the two main forces
push an pull
500
(True or False) the moon does not fall to earth because of friction.
false, because the force is gravity
500
What is a control?
the variable.
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