D/T Graphs
A flat, horizontal line on the distance/time graph means the person is....
resting/stopped
The sum of all forces acting on an object.
Net force
In a vacuum, a feather and a hammer are dropped at the same time...which hits the ground first?
same time!
The distance per time that an object travels...
speed
Newton's first law, says an object....
unless, a .....
at rest will stay at rest, will stay in motion forever
unless an outside force acts on it...
The steeper line on the d/t graph means the speed is..
faster
This type of force is needed to accelerate an object
Unbalanced
The greater the ______ of the objects, the more the g pull.
masses
The speed with the direction
velocity
Newton's 2nd law, says the acceleration of an object is determined by these two other factors
force applied and the mass of the object
A line going down, or back to the X axis represents the person is ....
going back home, or back in distance
This non contact type of force is always working, always ON
gravity
The measure of the force of gravity is called ______.
weight
The rate of change in velocity....
acceleration
Newton's 3rd Law says if you push a door open with 80 N of force, then the door....
pushes your hand with 80N of force back
Any straight line on a d/t graph means _________ motion or speed.
constant
This force causes things to slow or come to rest
Friction
The greater the ____________ between objects, the less the g attraction.
distance
With magnets, N pole to N pole will....
I pull the desk with 120 N east, you pull the other side with 80N west, what is the net force?
40N to the east
On a d/t graph, a curved line represents _______, or this type of motion
acceleration, variable
When an object is resting or at a constant rate it is under __________ forces.
balanced
This is the acceleration rate of ANY object as it falls towards Earth.
9.81 m/s/s
reference point
When you travel to the moon, your weight will change based on gravity, because the moon has.....
much less mass.