OAR Mechanical Comprehension
Questions with Complete Solutions
(Latest 2025)
Quantities that are fully described by a magnitude alone. -
Correct Answers ✅Scalars
Quantities that are fully described by both a magnitude and a
direction. - Correct Answers ✅Vectors
Scalar quantity that refers to "how much ground an object
has covered" during its motion. - Correct Answers
✅Distance
Vector quantity that refers to "how far out of place an object
is" it is the object's overall change in position. - Correct
Answers ✅Displacement
Scalar quantity that refers to "how fast an object is moving." -
Correct Answers ✅Speed
Vector quantity that to "the rate at which an object changes
its position." - Correct Answers ✅Velocity
Vector Quantity that describes the force acting up an object.
Contact Forces:
,OAR Mechanical Comprehension
Questions with Complete Solutions
(Latest 2025)
Frictional, Tension, Normal, Air Resistance, Force, Applied, and
Spring
Action-at-a-Distance Forces:
Gravitational, Electrical, and Magnetic - Correct Answers
✅Force
Average Speed =
Distance Traveled/ Time of Travel - Correct Answers
✅Average Speed
position/time = displacement/time - Correct Answers
✅Average Velocity
Vector quantity that is defined as the rate at which an object
changes its velocity. - Correct Answers ✅Acceleration
Velocity/Time - Correct Answers ✅Ave. Acceleration
output force/input force = MA - Correct Answers
✅Mechanical Advantage
, OAR Mechanical Comprehension
Questions with Complete Solutions
(Latest 2025)
Force x Mechanical Advantage = MW - Correct Answers
✅Maximum Weight Questions
160 x 3 = 480 lbs - Correct Answers ✅If the rope on the
end of a pulley system with a MA of 3 is pulled with 160
pounds of force, what is the maximum weight that can be
lifted?
Weight/MA - Correct Answers ✅Force Necessary Questions
length/height = MA - Correct Answers ✅Mechanical
Advantage of an incline plane
20/5 = 4
240/4 = 60 - Correct Answers ✅A 240-pound block is being
pulled up an incline by a pulley. The incline is 20 feet long
and rises 5 feet. Neglecting friction, how much force is
necessary to move the block up the incline?
- The air pressure on top of an airplane wing is less than on
the bottom of the wing. The velocity of wind on top of the
wing is greater than below the wing.
- As the velocity of a fluid or gas increases, the pressure
decreases. - Correct Answers ✅Bernoulli's Principle
Questions with Complete Solutions
(Latest 2025)
Quantities that are fully described by a magnitude alone. -
Correct Answers ✅Scalars
Quantities that are fully described by both a magnitude and a
direction. - Correct Answers ✅Vectors
Scalar quantity that refers to "how much ground an object
has covered" during its motion. - Correct Answers
✅Distance
Vector quantity that refers to "how far out of place an object
is" it is the object's overall change in position. - Correct
Answers ✅Displacement
Scalar quantity that refers to "how fast an object is moving." -
Correct Answers ✅Speed
Vector quantity that to "the rate at which an object changes
its position." - Correct Answers ✅Velocity
Vector Quantity that describes the force acting up an object.
Contact Forces:
,OAR Mechanical Comprehension
Questions with Complete Solutions
(Latest 2025)
Frictional, Tension, Normal, Air Resistance, Force, Applied, and
Spring
Action-at-a-Distance Forces:
Gravitational, Electrical, and Magnetic - Correct Answers
✅Force
Average Speed =
Distance Traveled/ Time of Travel - Correct Answers
✅Average Speed
position/time = displacement/time - Correct Answers
✅Average Velocity
Vector quantity that is defined as the rate at which an object
changes its velocity. - Correct Answers ✅Acceleration
Velocity/Time - Correct Answers ✅Ave. Acceleration
output force/input force = MA - Correct Answers
✅Mechanical Advantage
, OAR Mechanical Comprehension
Questions with Complete Solutions
(Latest 2025)
Force x Mechanical Advantage = MW - Correct Answers
✅Maximum Weight Questions
160 x 3 = 480 lbs - Correct Answers ✅If the rope on the
end of a pulley system with a MA of 3 is pulled with 160
pounds of force, what is the maximum weight that can be
lifted?
Weight/MA - Correct Answers ✅Force Necessary Questions
length/height = MA - Correct Answers ✅Mechanical
Advantage of an incline plane
20/5 = 4
240/4 = 60 - Correct Answers ✅A 240-pound block is being
pulled up an incline by a pulley. The incline is 20 feet long
and rises 5 feet. Neglecting friction, how much force is
necessary to move the block up the incline?
- The air pressure on top of an airplane wing is less than on
the bottom of the wing. The velocity of wind on top of the
wing is greater than below the wing.
- As the velocity of a fluid or gas increases, the pressure
decreases. - Correct Answers ✅Bernoulli's Principle
