OAR Study Guide 1 (Mechanical Comp) Questions with Complete Solutions (Latest 2025) Is it true that your gravity is the same on earth as it is on the moon? - Correct Answers ✅Your gravity on earth is the same on the moon.What happens when you fire a bullet and drop a bullet at the same time? - Correct Answers ✅A bullet being shot, and a bullet being dropped will both hit the ground at the same time.At what point does the pendulum have the most kinetic energy? - Correct Answers ✅At its lowest point.Would a pendulum with a longer string or a shorter string take a longer distance to complete a swing? - Correct Answers ✅The pendulum with the longer string.If two pendulums with different weights but same string length, which one would swing faster? - Correct Answers ✅The weight wouldn't mater only the string length and it's equal same so they will swing at the same speed.Bernoulli's Principle states that low velocity over a plane wing means? - Correct Answers ✅Less lift from the ground. 1 / 3
OAR Study Guide 1 (Mechanical Comp) Questions with Complete Solutions (Latest 2025) What happens when you decrease the pressure on a gas? - Correct Answers ✅You decrease the volume.According to Bernoulli's principle a jet flying faster will have higher or lower lift on its wings? - Correct Answers ✅Higher.What is a Pulley? - Correct Answers ✅A machine that uses turning wheels and rope to lift an object, which in return gives you a mechanical advantage.A pot of water is burning on the stove and the temperature of the burner is increasing what happens to the water temperature? - Correct Answers ✅The water at the bottom of the pot would be the hottest and lightest which would form bubbles, and the water at the top would be less hot.What is the purpose of a helicopters tail rotor? - Correct Answers ✅To counter the torque produced by the main rotor.What is the vertical section of a ship called? - Correct Answers ✅Bulkhead. 2 / 3
OAR Study Guide 1 (Mechanical Comp) Questions with Complete Solutions (Latest 2025) Snap shots of an aircraft doing loop de loops, now where would the G force be the greatest? - Correct Answers ✅Going in and out of the loop de loop.What is the relationship between buoyancy and temperature?
- Correct Answers ✅Temperature affects density. As
- / 3
temperature increases, density of a material goes down, which caused buoyancy to increase.What is the change in acceleration for a constant force on a horizontal plane with negligible force? - Correct Answers ✅Acceleration is constant so change in acceleration is zero.What happens when you kick a football in its center of gravity? - Correct Answers ✅It does not tumble or roll.What does a control rod do in a Nuclear reactor? - Correct Answers ✅If you insert the control rod it slows the reactor down, and if you take the control rod out it speeds it up.What is denser and ice cube or the water its placed in? - Correct Answers ✅The water is denser because it stays in a linear bonding form.