The lever allows jeff 150 pounds to lift a much greater weight 600 pounds because a) the larger force is applied over a longer distance b) the larger force is applied over a shorter distance c) the smaller force is applied over a longer distance d) the smaller force is applied over a shorter distance

Total solidification times of three casting geometries are to be compared: a sphere, a cylinder, in which the length-to-diameter ration - 1.0, and a cube. volume = 1000 cm^3 for all three shhapes, and the same casting alloy is used. a) determine the solidification times of each geometry b) based on the results of part (a), which geometric element would make the best riser? c) if the mold constant = 3.5 min/cm^2 in chvorinov's rule, compute the total solidification time for each casting.

An object's buoyant force and weight mean the same thing.a. trueb. false

Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.