A Force of Attraction
Gravity and Motion
Newton's First Law
Newton's Second Law
Newton's Third Law
100
A force of attraction between objects is due to their masses.
What is gravity?
100
The curved path of an object that follows when it is thrown or propelled near the surface of earth.
What is projectile motion?
100
An object not moving.
What is at rest?
100
The acceleration of an object depends on the ______ of the object and the amount of _________ applied.
What is mass and force?
100
All forces act in _______.
What is pairs?
200
A measure of the amount of matter.
What is mass?
200
The force that opposes the motion of objects through the air.
What is air resistance?
200
A moving object not acted on by an unbalanced force.
What is remains in motion?
200
The acceleration of an object is always in the same _________ as the ____ force.
What is direction and net?
200
Whenever one object exerts a force on a second object, the second object exerts a(n) ________ and _________ force on the first.
What is equal and opposite?
300
The measure of the gravitational force on an object.
What is weight?
300
An object falls at a constant velocity.
What is terminal velocity?
300
A force stops a desk from sliding across the floor after it has been pushed.
What is friction?
300
The force needed to increase acceleration.
What is a larger force?
300
An action on an object causes this.
What is a reaction?
400
Gravitational pull is greater between two object that have this.
What is greater masses?
400
A combination of forward motion and free fall.
What is orbital motion?
400
The tendency of all objects to resist any change in motion.
What is inertia?
400
The acceleration of an object _________ as its mass increases.
What is decreases?
400
The force of sitting down on a chair compared to the force of the chair.
What is equal?
500
The law that describes the relationship between gravitational force, mass, and distance.
What is the law of universal gravity?
500
A measure of inertia.
What is mass?
500
The acceleration of a loaded cart will __________ a larger force is exerted on it.
What is increase?
500
A swimmer's hand pushing on water is a(n) ________.
What is an action?
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