MSSC - Manufacturing Processes and
Production
The three common types of mechanisms are levers, ______, and inclined planes. - ✔✔wheels
The metric system expresses force in ______. - ✔✔newtons
A spring scale is used t
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MSSC - Manufacturing Processes and
Production
The three common types of mechanisms are levers, ______, and inclined planes. - ✔✔wheels
The metric system expresses force in ______. - ✔✔newtons
A spring scale is used to measure ______. - ✔✔force
The English unit of measure of weight is the ______. - ✔✔pound-force (lb-f)
The Law of Moments can be used to determine ______. - ✔✔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 ______. - ✔✔the
force applied
A force that makes an object rotate about a point is called ______. - ✔✔torque
A second-class lever has its ______. - ✔✔load between the fulcrum and the effort arm
A third-class lever has its ______. - ✔✔effort arm between the fulcrum and the load
A(n) ______ is produced when forces applied to a lever cause it to rotate. - ✔✔rotational
moment
Mechanical advantage is the ratio of the force required to move a load divided by _____. -
✔✔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. - ✔✔effort, resistance
The coefficient of friction is the ratio of the force of friction divided by the ______. - ✔✔normal
force
Rolling friction is ______. - ✔✔less than both static and kinetic friction
What is the unit of measure for the coefficient of friction? - ✔✔it has no unit
One application that takes advantage if both high and low friction is a(n) ______. - ✔✔belt
sander
A wheel reduces friction because _____ friction is less than sliding friction. - ✔✔rolling
The mechanical advantage of an inclined plane is the ratio of the ______ of the inclined plane
divided by its ______. - ✔✔length, height
The double rocker linkage is one type of ______ linkage. - ✔✔four bar
The slider crank linkage is also known as the ______ linkage. - ✔✔three bar
What type of linkage consists of a driver arm, connecting rod, and a follower? - ✔✔double
rocker
The follower of the ______ linkage moves in an arc. - ✔✔crank rocker
A ______ linkage changes rotary motion into reciprocating (back and forth) motion. - ✔✔slider
crank
The crank rocker linkage is one type of ______ linkage. - ✔✔four bar
A ____ is mounted on a shaft by means of a key. - ✔✔cam
The four properties of a cam are: rise, fall, ______, and constant velocity. - ✔✔dwell
A cam is a wheel that, w
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