Terms in this set (12)
The force of attraction between objects
Law of Universal Gravitation
States that the size of the gravitational force between objects depends on MASSES of the objects and the DISTANCE between them.
Acceleration due to Gravity
The change in velocity of a falling object divided by the time the change occurs; All objects falling towards Earth accelerate at a rate of 9.8 m/s²
The force that opposes the motion of objects through air which depends on the size, shape and speed of the object.
The constant velocity of a falling object when the force of air resistance is equal to the force of gravity
The motion of a body when only the force of gravity, and not air resistance, is acting on the object.
Newton's 1st Law
An object at rest remains as rest and an object in motion remains in motion at a constant speed and in a straight line unless acted on by an unbalanced force.
Newton's 2nd Law
The acceleration of an object depends on the mass of the object and the amount of force applied.
Newton's 3rd Law
When one object exerts a force on a second object, the second object exerts an equal and opposite force on the first.
The tendency of an object to resist being moved -- or, if the object is moving, to resist a change in speed or direction until an outside force acts on it.
The unbalanced force that causes objects to move in a circular path
The curved path that an object follows when thrown, launched or projected near the Earth's surface.
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