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17 Cards in this Set
- Front
- Back
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force
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an interaction between 2 objects that result in a push or pull
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weight
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gravitational force exerted on an object
units: newton |
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mass
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amount of matter an object contains
units: kilograms |
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Newton's first law
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an object in motion, wants to stay in motion.
an object at rest, wants to stay at rest. |
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inertia
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an objects resistance to change motion
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unbalanced
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one force is larger than the other.
can cause an object to start or stop moving. can change an object's motion. |
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net force
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the end result after analyzing all the forces acting on an object.
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balanced
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equal forces acting on an object in opposit directions.
doesn't change the direction or motion. |
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Newton's 2nd Law
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the net force acting on an object causes the object to accelerate in the direction of the net force.
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mass
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in kilometers
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acceleration
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m/s2
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force (f)
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in newton's (n)
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Newton's 3rd Law
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when one object exerts a force on a second object. the second object exerts the same force on the first object.
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friction
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force that opposes motion between two surfaces that are touching.
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static friction
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friction of 2 surfaces that aren't moving past eachother.
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sliding friction (kinetic)
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opposes the motion of 2 surfaces sliding past eachother.
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rolling friction
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the friction between a rolling object & the surface it is rolling on.
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