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26 September, 06:46

A hydraulic jack is used to lift a car in order to change a tire. The car exerts a force of 9,800 N toward the ground due to the force of gravity. To begin to lift the car, a hydraulic jack must produce of force. To keep the car in position once it is lifted, the jack must produce of force.

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  1. 26 September, 08:27
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    Answer: more than 9,800N of force. exactly 9,800N of force.
  2. 26 September, 10:34
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    To begin to lift the car, a hydraulic jack must produce more than 9,800N of force.

    To keep the car in position once it is lifted, the jack must produce exactly 9,800N of force.
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