9297055
Description
Flashcards by ella stokes, updated more than 1 year ago
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Created by ella stokes
over 7 years ago
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| Question | Answer |
| when does a force occur | when two or more objects interact |
| what are contact forces | the objects are actually touching-e.g the tension as two people pull against one another |
| what are non-contact forces | the objects are not touching-e.g the force of gravity acts even when the objects are not touching |
| give some examples of contact forces | -friction -air resistance/drag -tension -normal contact force -upthrust |
| give some examples of non-contact forces | -gravitational force -electrostatic force -magnetic force |
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