Asvab Mechanical Comprehension, Exam Questions and answers, 100% Accurate.

Asvab Mechanical Comprehension, Exam Questions and answers, 100% Accurate. If the speed of a stone tied to the end of a string swinging in a circular motion is tripled, how will the centripetal force of the stone be affected?--It will increase by 9X because the centripetal force of the stone is proportional to the square of the velocity. Which of the following units measures the weight of a body? A. pound B. Newton C. kilogram D. kg.m/s2--B. Newton (because the weight of a body is a force, and newton is the unit of force). What is the unit of work, kinetic energy, potential energy, and heat?--The joule. Why would two objects with different weights, if dropped at the same moment from the top of the Leaning Tower of Pisa, both hit the ground at the same time?--The travel time depends on the height above ground and the acceleration of gravity, both of which are the same for both