MECHANICAL LAW TEST BANK COMPLETE
SOLVED QUESTIONS EXPERT REVIEW FULL
SOLUTION
●● How does Pascal's Law apply to hydraulic elevators?
Answer: It explains how pressure from a pump raises the elevator by
transmitting force through hydraulic fluid.
●● What is an everyday application of Pascal's Law?
Answer: The hydraulic braking system in automobiles.
●● What component of a hydraulic elevator supports the downward
force exerted by the elevator?
Answer: The upward force exerted by the pressure on the bottom area of
the plunger.
●● What is mechanical advantage?
Answer: The transformation of a small force into a large force, as
illustrated by levers.
●● What is the significance of the fulcrum in a lever?
Answer: It is the pivot point around which the lever rotates.
, ●● How is the moment calculated in a lever system?
Answer: Moment is calculated by multiplying the length of the arm by
the amount of force.
●● What units are commonly used to express torque in the English
system?
Answer: Foot-pounds.
●● What happens when the moments on each side of a fulcrum are
equal?
Answer: The lever is said to be balanced.
●● In the lever example, how much force is needed to lift a 200-pound
weight with a lever arm of 10 feet?
Answer: 20 pounds of force is needed.
●● What is the relationship between force and arm length in a lever?
Answer: Increasing the arm length decreases the amount of force needed
to lift a weight.
●● What does ASME Code Section 302 govern?
Answer: The design of the jack assembly in hydraulic systems.
SOLVED QUESTIONS EXPERT REVIEW FULL
SOLUTION
●● How does Pascal's Law apply to hydraulic elevators?
Answer: It explains how pressure from a pump raises the elevator by
transmitting force through hydraulic fluid.
●● What is an everyday application of Pascal's Law?
Answer: The hydraulic braking system in automobiles.
●● What component of a hydraulic elevator supports the downward
force exerted by the elevator?
Answer: The upward force exerted by the pressure on the bottom area of
the plunger.
●● What is mechanical advantage?
Answer: The transformation of a small force into a large force, as
illustrated by levers.
●● What is the significance of the fulcrum in a lever?
Answer: It is the pivot point around which the lever rotates.
, ●● How is the moment calculated in a lever system?
Answer: Moment is calculated by multiplying the length of the arm by
the amount of force.
●● What units are commonly used to express torque in the English
system?
Answer: Foot-pounds.
●● What happens when the moments on each side of a fulcrum are
equal?
Answer: The lever is said to be balanced.
●● In the lever example, how much force is needed to lift a 200-pound
weight with a lever arm of 10 feet?
Answer: 20 pounds of force is needed.
●● What is the relationship between force and arm length in a lever?
Answer: Increasing the arm length decreases the amount of force needed
to lift a weight.
●● What does ASME Code Section 302 govern?
Answer: The design of the jack assembly in hydraulic systems.
