demonstration school dynamometer which shows the strength action |
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| navigate by keyword : action are arrow black coincide demonstration dependence device direction division dynamometer experiment force forces hanging hook isolated laboratory measured newtons numbers physics red scale school shows strength studying summed then they vector weight which work |
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| Demonstration school dynamometer which shows the strength of the action, the force is measured in Newtons and if the direction of the forces coincide then they are summed. |
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