Force: Newton's Laws of Motion

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Flashcards by tatemae.honne, updated more than 1 year ago More Less
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Created by alex.examtime9373 about 7 years ago
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Description

This flash card deck covers Newton's Laws of Motion. It corresponds with the note on force, and the mind map on force and momentum.

Resource summary

Question Answer
Force That which can cause acceleration
Unit of force Newton (N)
Newton's 1st law of motion A body will remain at rest or continue moving at constant velocity unless acted upon by an unbalancing external force
Application of Newton's 1st Law Seatbelts in cars are used to stop passengers continuing at a constant velocity when the car decelerates rapidly
Newton's 2nd law of motion The rate of change of momentum is proportional to the applied force and takes place in the direction of the force
Application of Newton's 2nd Law Heavier objects require more force to move the same distance as lighter objects
Special case of Newton's 2nd Law F = ma
Newton's 3rd law of motion For every action there is an equal and opposite reaction
Application of Newton's 3rd Law When a rocket takes off, the rocket pushes down with the force of its engines, and this causes the ground to push the rocket upwards with an equal force
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