Physics work , help needed .

How much work is done lifting a 9.10 kg box straight up onto a shelf that is 1.80 m high?

Energy is the ability to do work which measures what

Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.