OAR Mechanical Review Questions with Complete Solutions (Latest 2025) Work - Correct Answers ✅Force x Distance or W = F x D The application of force over a distance Newtons - Correct Answers ✅A unit of force 4.45 N = 1lb Power (definition) - Correct Answers ✅The rate at which weight is moved
- Horsepower equals? - Correct Answers ✅33,000 pounds
lifted 1 foot per minute Electrical Power of 1 HP equals? - Correct Answers ✅746 Watts (precisely 745.7) Joule's Law (Power) - Correct Answers ✅P = E x I P = Power E = Voltage I = Current 1 / 2
OAR Mechanical Review Questions with Complete Solutions (Latest 2025) Efficiency - Correct Answers ✅Work-out/Work-in Fraction is never greater than 1 Pressure - Correct Answers ✅Pressure = Force/Area First Class Lever - Correct Answers ✅Fulcrum is in the middle (Ex. Scissors, Pliers) Scissors are? - Correct Answers ✅a First Class Lever Pliers are? - Correct Answers ✅a First Class Lever Second Class Lever - Correct Answers ✅Fulcrum is at one end, load is in between (Ex. Nutcracker, Wheelbarrow) Nutcrackers are? - Correct Answers ✅Second Class Levers Wheelbarrows are? - Correct Answers ✅Second Class Levers Third Class Lever - Correct Answers ✅Fulcrum is at one end, effort is in between (Ex. Tongs, tweezers)
- / 2