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Engr 103 Test 1 Exam Questions With Correct Answers
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Engr 103 Test 1 Exam Questions With Correct Answers 10 lbm x 12 ft/s^2= 120 lbm ft/s^2 - answerTrue A golf ball with a mass of 0.05 kg on earth has a mass of 0.81 N on the moon if the moon's gravity is 1.62 m/s2 - answerFalse (mass is always the same regardless of gravity) When algebraically m...

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  • October 16, 2024
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  • 2024/2025
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©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM



Engr 103 Test 1 Exam Questions With
Correct Answers


10 lbm x 12 ft/s^2= 120 lbm ft/s^2 - answer✔True


A golf ball with a mass of 0.05 kg on earth has a mass of 0.81 N on the moon if the moon's


gravity is 1.62 m/s2 - answer✔False (mass is always the same regardless of gravity)


When algebraically manipulating an equation, you should leave an equation in


symbolic terms for as long as possible before plugging in values - answer✔True


Know all types of lines for drawings - answer✔


gc is always equal to one - answer✔true (it is a conversion factor which is always =1)


An object will weigh exactly the same no matter where it is on earth - answer✔False (weight is

different with different g, g is not the same everywhere on earth)


An object will have the same mass no matter where it is in the universe - answer✔True


Dimensions are independent of units - answer✔True


Engineers use a rule of thumb that answers have ____significant figures. - answer✔3

, ©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM


The following equation is dimensionally consistent:

P=Fg/(2uD)

where P = pressure with base units of M/(t2L),

F = force with base units of ML/t2,

g = acceleration of gravity with units of L/t2

u = velocity with base units of L/t, and


D = diameter with base units of L - answer✔False M/t2L doesnt = M/t3


_______ are based upon known standards some of which are kept in special conditions

at specific science institutions.

a) Derived dimensions

b) Units


c) Base dimensions - answer✔B) Units


Convert 437°F into K - answer✔(437-32)/1.8=225


225+273=

498

Express the following in scientific notation:

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