Physics, 04.04.2020 06:21 krystlemiller4307
A crowbar is used to pull a nail. The length of the effort arm of the crowbar is 22 cm and the resistance arm is 4.2 cm. What force in N is required to pull a nail if the friction force holding the nail in place is 120 N
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A crowbar is used to pull a nail. The length of the effort arm of the crowbar is 22 cm and the resis...
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