Laws of Motion
Motion and Speed
Forces
Isaac Newton
Measurement
100
The second law of motion states that an object's ________ depends on the size and direction of the force acting on it and the mass of the object.
What is acceleration
100
Measure of the distance an object moves in a given amount of time.
What is speed
100
Equal in size and opposite in direction
What is balanced forces
100
There are three laws decribing this
What is motion
100
measure of how much matter an object contains
What is mass
200
The first law of motion states that an object at rest will remain at rest, and an object in motion will continue moving in a _________ line at a constant speed until an outside force acts on it.
What is straight
200
Object's speed in a particular direction
What is velocity
200
One force is greater than the opposite force
What is unbalanced forces
200
Force that causes the apple and Earth to attract one another.
What is gravity
200
caused by gravity pulling down on an object
What is weight
300
For every action, there is an equal and opposite reaction?
What is Third Law of Motion
300
any change in velocity
What is acceleration
300
the value from adding or subtracting forces
What is net force
300
Country Newton was born in
What is England
300
device that measures weight
What is forcemeter
400
Under Newton's Third Law of Motion, the force that puses or pulls back
What is reaction force
400
measure of how hard it is to slow down or stop an object
What is momentum
400
Property of matter that keeps it moving a a straight line or keeps it at rest
What is inertia
400
Year Newton was born
What is 1642
400
force between two surfaces that are sliding
What is friction
500
According to this law, a ball rolling down a sidewalk stops because of a force (friction) acts on it.
What is the First Law of Motion
500
If two objects have the same mass, the one with the greater velocity has more ________
What is momentum
500
An object's inertia resists any change in its _______
What is motion
500
According to Newton, this causes a meteor to fall to Earth.
What is gravity
500
type of friction between air and another material
What is air resistance