UPDATED ACTUAL Exam Questions and
CORRECT Answers
Force = - CORRECT ANSWER - mass * acceleration
Weight (SI system) = - CORRECT ANSWER - Mass * gravity
Mass is a - CORRECT ANSWER - Constant measurement and dimensionless quantity of
the amount of matter in a particle or object
Weight is - CORRECT ANSWER - A measurement that varies with gravitation field and is
a force
The units for mass and weight (force) in SI are - CORRECT ANSWER - Kilograms &
newtons
The units for mass and weight in the English system are - CORRECT ANSWER - Pounds-
mass (lbm) & pounds force (lbf)
The gravitation constant to convert lbf to lbm is - CORRECT ANSWER - gc= 32.2 lbm-
ft/lbf-sec^2
Weight in lbf (English system)= - CORRECT ANSWER - (Mass (lbm) * gravity) /
gravitation constant
The acceleration of gravity for earth is - CORRECT ANSWER - 32.2 ft/sec^2 (English)
and 9.81 m/s^2 (SI)
, Force (SI system)= - CORRECT ANSWER - Mass * acceleration
Force in lbf (English system)= - CORRECT ANSWER - (Mass (lbm) * acceleration
(ft/sec^2))/gravitational constant
Unit weight = - CORRECT ANSWER - Weight/volume or (mass*gravity)/volume
The main difference between the English and metric system when it comes to force and mass -
CORRECT ANSWER - In english force and mass share a unit (lbf & lbm), metric does not
What is the Slope formula in terms of y & x - CORRECT ANSWER - (Y2-Y1)/(X1-X1)
The formula to get a slope of a perpendicular line is - CORRECT ANSWER - m1=-1/m2
Standard equation of a line - CORRECT ANSWER - y=mx+b, where m is the slope and b
is the y-intercept
General form of an equation of a line - CORRECT ANSWER - Ax+By+C=0 aka mx-y+b
Point slope form of a line - CORRECT ANSWER - y-y1=m(x-x1)
The length of a vector (if origin is 0,0,0)= - CORRECT ANSWER - √(ax²+ay²+az²)
In matrices a determinant symbol is - CORRECT ANSWER - |A|
The magnitude of a vector is - CORRECT ANSWER - The length of a vector; magnitude
is a scalar quantity (size no direction)