In Figure a cord runs around two massless, frictionless pulleys. A canister with mass m = 20
Question:
(a) What must be the magnitude of F if you are to lift the canister at a constant speed?
(b) To lift the canister by 2.0 cm, how far must you pull the free end of the cord? During that lift, what is the work done on the canister by
(c) Your force (via the cord) and
(d) The gravitationalforce?
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There is no acceleration so the lifting force is equal to the weight of the object We no...View the full answer
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