(2) A 72 kg crate is on a freight elevator. It accelerates upwards at a rate of 0.2 m/s 2 while moving down. Determine the force of the cable on the elevator.

The a992 steel rod bc has a diameter of 50 mm and is used as a strut to support the beam. determine the maximum intensity w of the uniform distributed load that can be applied to the beam without risk of causing the strut to buckle. take f.s. = 2 against bucklin

Sound is a disturbance that travels through a medium as a

Which scientist was the first to propose the heliocentric model of the universe? a. aristotle b. isaac newton c. galileo galilei d. nicolaus copernicus