EMCH 211 (Statics) - Week 1

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Description and Tags

Newton's Law of Mutual Gravitation, Conversions

Engineering

PSUAltoona

engineering

EMCH211

University/Undergrad

Last updated 3:17 PM on 2/1/23
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18 Terms

1
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What are the base units of Length in ENG?
inch (in), foot (ft), yard (yd), mile (mi)
2
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What are the base units of Length in SI?
meter (m)
3
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What are the base units of Mass in ENG?
lbm, slug
4
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What are the base units of Mass in SI?
kilogram (kg)
5
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What are the base units of Time?
second (s)
6
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What are the base units of Force in ENG?
pound (lbs)
7
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What are the base units of Force in SI?
Newton (N)
8
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What is the conversion of cm to in?
2\.54 cm = 1 in
9
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What is the conversion of lbs to kg?
2\.2 lbs = 1 kg
10
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What is the conversion of N to lbs?
4\.448 N = 1 lbs
11
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sin(θ) =
opp/hyp
12
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cos(θ) =
adj/hyp
13
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tan(θ) =
opp/adj
14
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What is the Law of Sines?
What is the Law of Sines?
sin(θa)/A = sin(θb)/B = sin(θc)/C
15
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What is the Law of Cosines?
What is the Law of Cosines?
a = √b² + c² - 2bc(cos(α))

b = √a² + c² -2ac(cos(β))

c = √a² + b² - 2ab(cos(γ))
16
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What is Newton’s Law of Mutual Gravitation?
FA = G(m1m2/r²)
17
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What is the vale of the G constant?
6\.67 x 10^⁻¹¹ m³/kgs²
18
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Attraction grows (blank) the closer you get.
exponentially