EXAM QUESTIONS WITH CORRECT ANSWERS 2025/2026
The three common types of mechanisms are levers, ______, and inclined planes. -
correct answer wheels
The metric system expresses force in ______. - correct answer newtons
A spring scale is used to measure ______. - correct answer force
The English unit of measure of weight is the ______. - correct answer pound-force
(lb-f)
The Law of Moments can be used to determine ______. - correct answer both the
force needed to balance OR force needed to move a load
Torque can be calculated by multiplying the distance from the fulcrum and
______. - correct answer the force applied
A force that makes an object rotate about a point is called ______. - correct
answer torque
A second-class lever has its ______. - correct answer load between the fulcrum
and the effort arm
A third-class lever has its ______. - correct answer effort arm between the fulcrum
and the load
A(n) ______ is produced when forces applied to a lever cause it to rotate. - correct
answer rotational moment
, Mechanical advantage is the ratio of the force required to move a load divided by
_____. - correct answer the effort force applied
The mechanical advantage of a third-class lever can be found by the ratio of the
length of the ______ arm divided by the length of the ______ arm. - correct
answer effort, resistance
The coefficient of friction is the ratio of the force of friction divided by the ______.
- correct answer normal force
Rolling friction is ______. - correct answer less than both static and kinetic
friction
What is the unit of measure for the coefficient of friction? - correct answer it has
no unit
One application that takes advantage if both high and low friction is a(n) ______. -
correct answer belt sander
A wheel reduces friction because _____ friction is less than sliding friction. -
correct answer rolling
The mechanical advantage of an inclined plane is the ratio of the ______ of the
inclined plane divided by its ______. - correct answer length, height
The double rocker linkage is one type of ______ linkage. - correct answer four bar
The slider crank linkage is also known as the ______ linkage. - correct answer
three bar
What type of linkage consists of a driver arm, connecting rod, and a follower? -
correct answer double rocker