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When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.
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Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers
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The receptor cells that convert light energy into neural signals are called
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Afootball player pushes against another player trying to block him from moving any farther down the...
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