Laws of Gravity and more Flashcards
What law is: “To every action, there is an equal and opposite reaction”
Newton’s Third Law of Motion
What law is: “Force equals mass times acceleration (F=MxA)”
Newton’s Second Law of Motion
What law is: “An object at rest or at motion will remain still or at motion unless acted by a force”
Newton’s First Law of Motion
The highest Velocity reached by a falling object
Terminal Velocity
An object at rest on the surface of the Earth is experiencing zero…
Net Force
When an object moves in a circle, __________ acts to accelerate the object toward the center of that circle.
Centripetal Acceleration
When a car travels around a curve in the road, ___________ helps to keep the car traveling in a curved path
Centripetal Force
The force exerted by air on a moving object is called……
Air Resistance
A net force acting on an object causes the object to accelerate in the direction of the force; this is…..
An example of Newton’s Second Law of Motion
A property of a moving object resulting from its mass and velocity is…..
Momentum
According to the _________, when a bowling ball strikes the pins, the momentum lost by the bowling ball is equal to the momentum gained by the pins.
Conservation of Momentum
_________ is the force that every object in the universe exerts on every other object.
Gravity (or the Universal Law of Gravitation)
An object’s __________ is the measure of the force of gravity on that object.
Weight
The amount of gravitational force between two objects depends on their masses and the ________ between them.
Distance
Weight is measured in units called _______, while mass is measured in units called grams and kilograms.
Newtons
Two surfaces that are not moving past each other have ______________.
Static Friction
_____________causes a box you are pushing across the floor to stop when you stop pushing.
Sliding Friction
The force resisting the motion of a rolling body on a surface is known as……
Rolling Friction
What is the force that must be overcome to initiate the motion of one body relative to another because they have been resting in contact?
Starting Friction
What type of friction is this: the resistance created by any two objects when sliding against each other
Sliding Friction
