Physics 4.1 Impulse and Newton's Third Law
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Last updated 8:04 PM on 12/20/23
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6 Terms
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What is Newton’s Third Law?
Every time a force is exerted ON an object, there is simultaneously an equal and opposite force exerted by that object. FORCE ALWAYS OCCURS IN PAIRS!
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What is impulse?
The cause of change in momentum.
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What is impulse momentum theorem?
J = F x T
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To change an object’s momentum you can apply either…
A BIG FORCE over a SHORT period of TIME or a SMALL FORCE over a LONG period of TIME
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As time of impact increases so does what?
force of impact
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What about pairs with different masses?
For pairs with different masses, this equal and opposite force creates different accelerations according to Newton’s 2nd Law.
Note 
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