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33 Cards in this Set
- Front
- Back
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What is Newton's 1st law of motion called?
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The Law of Inertia |
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What is Newton's 2nd law of motion called? |
The Law of Acceleration |
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What is the formula for Newton's 2nd law of motion? |
acceleration = force / mass |
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What does Newton's third law of motion state? |
When one object exerts a force on a second object, the second one exerts a force on the first that is equal in size and opposite in direction. |
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What is the short version of Newton's 3rd law of motion? |
To every action force there is an equal and opposite reaction force. |
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A force that directs objects towards the center of a circle. |
Centripetal Force |
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What does the Law of Gravitation state? |
The Law of Gravitation states that any to masses exert an attractive force on each other. |
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What do you call the gravitational force exerted on an object? |
Weight |
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Anything that is shot or thrown through the air is called? |
Projectile |
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According to Newton's 3rd law of motion forces always occur in _________________? |
Interactive force pairs |
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When an object falls towards Earth it is pulled down by? |
The force of Gravity |
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_________________ affects anything that moves in Earth's atmosphere. |
Air Resistance |
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The force that opposes motion between two surfaces that are touching each other. |
Friction |
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Friction between two objects that are not moving. |
Static Friction |
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Friction between two objects that are sliding past one another. |
Sliding Friction
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Friction between two objects that are rolling past one another. |
Rolling Friction |
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______________ acts in the opposite direction of gravity. |
Air Resistance |
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Tiny bumps where two surfaces touch and stick together. |
Microwelds |
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The source/cause of friction. |
Microwelds |
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The tendency of an object to resist any change in motion. |
Inertia |
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The gravitational force exerted on an object is called? |
Weight |
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The amount of matter (stuff) that makes up an object. |
Mass |
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Projectiles always follow a _____________ path. |
Curved |
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The word "centripetal" means? |
To "move towards the center" |
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Forces occur in? |
Pairs |
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Which law states that a net force causes an object to accelerate in the direction of the net force, with an acceleration equal to the net force divided by the mass. |
Newton's 2nd Law |
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What are the three types of friction? |
Static, Sliding, Rolling |
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The acceleration due to gravity on earth. |
9.8 m/s2 |
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What do you call an upward force acting on objects falling through the atmosphere? |
Air Resistance |
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The force of attraction that exists between any two objects that have mass. |
Gravity |
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Formula for weight |
Weight = mass x acceleration due to gravity |
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What causes objects to fall at a different rate? |
Air resistance |
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What is the force of gravity acting on an object known as? |
Weight |
