Force
Force 2
Def. & Formulas
Newton 1st Law
Newton 2nd & 3rd Law
100
a push or pull that acts on an object
What is a force?
100
Adding Together
Forces acting in the same direction combine by?
100
weight
the force of gravity acting on an object
100
motion
The state of _____ of an object does not change
100
acceleration
according to newtons second law of motion, the ___________ of an object is equal to the net force acting on it divided by the object's mass.
200
gravity
What is the attractive force that exists between all objects in the universe is?
200
friction
Name the force that tends to slow moving objects down
200
mass
a measure of the inertia of an object when force of air resistance = force of gravity
200
inertia
the tendency of an object to resist a change in its motion
200
net force
the acceleration of an object is equal to the ___ ______ acting on it divided by the objects mass.
300
balanced force
What are the forces that are equal in size & opposite in direction?
300
Terminal velocity
Name the force that causes falling objects to accelerate
300
terminal velocity
constant velocity of a falling object when the force of air resistance = force of gravity
300
zero
state of motion of an object does not change as long as the net force acting o the object is _____
300
equal and opposite
according to the third law of motion, whenever one object exerts a force on second object, the second object exerts an ______ ___ __________ force on the first object.
400
unbalanced
If an object is moving at a constant velocity, are forces balanced or unbalanced?
400
newton
What is unit force?
400
weight
? = Mass x acceleration
400
unbalanced force
the net force of the object is zero, unless an _______ ______ acts, an object at rest remains at rest
400
reaction
whenever a objects shows action, theres an _______?
500
balanced
If an object is at rest, are forces balanced or unbalanced?
500
subtracting together
Forces acting in opposite directions combine by?
500
mass
Acceleration = Net Force / ?
500
law of interia
What is newton's first law of motion sometimes called ?
500
momentum
an object has a large ___________ if the product of its mass and velocity is large.