as mech | Revision Server | Page 1

karmic shard Jun 11, 2024, 4:09 PM

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part b. Do i just find the reaction of the block? idk what its asking me for

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amber ravine Jun 11, 2024, 4:33 PM

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f = ma

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consider the forces on the block

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its asking u for the force on the block being exerted by the lift

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karmic shard Jun 11, 2024, 5:41 PM

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so just

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r-10g=10(0.2)

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but like

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wouldnt it be r-40g = 40(0,2) as its the lift exerting a forc eon the block which would be the lifts reaction force no?

amber ravine Jun 11, 2024, 6:06 PM

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na

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u only consider the force and mass of the block

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in these types of questions

karmic shard Jun 11, 2024, 6:07 PM

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because of the lift cage exterting a force on it?

amber ravine Jun 11, 2024, 6:08 PM

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u dont consider reaction forces because they cancel out

#as mech