Engineering, 03.12.2019 02:31 abalth2154

The crate c has a weight of p and rests on the truck elevator. the parallel links are given an angular acceleration alpha starting from rest.
(a) determine the initial friction of the elevator on the crate.
(b) determine the normal the crate c has a weight of 180 lb and rests on the truck elevator.
the parallel links are given an angular acceleration α = 2 rad/s2 starting from rest.

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The crate c has a weight of p and rests on the truck elevator. the parallel links are given an angul...

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