9058599
Description
Flashcards by stephanie edwin, updated more than 1 year ago
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Created by stephanie edwin
over 8 years ago
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| Question | Answer |
| force | a force is something that can cause an object to change velocity or accelerate |
| friction | friction is a force that opposes motion between 2 objects in contact |
| hooke's law | the extension of a stretched string is directly proportional to the force that is a stretching |
| weight | weight is a force (due to gravity) |
| maths problem | weight( in newtons) =mass (in kilograms)x10 |
| energy | is the ability to do work |
| work | work done=force x distance |
| power | the rate at which work is done work power= ------- time |
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