Angle of Twist Erbil Polytechnic University Strength of Materials-I (STM303) Erbil Technic al College Dr. Feras Khlef Civil Engineering Techniques Dept. First Semester 2021 Lecture 10

1. Erbil Polytechnic University Strength of Materials-I (STM303)
Erbil Technical College Dr. Feras Khlef
Civil Engineering Techniques Dept. First Semester 2021
Lecture 10
Angle of Twist
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2. Erbil Polytechnic University Strength of Materials-I (STM303)
Erbil Technical College Dr. Feras Khlef
Civil Engineering Techniques Dept. First Semester 2021
Lecture 10
Constant torque and cross-section
Multiple Torques
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3. Erbil Polytechnic University Strength of Materials-I (STM303)
Erbil Technical College Dr. Feras Khlef
Civil Engineering Techniques Dept. First Semester 2021
Lecture 10
Sign Convention
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4. Erbil Polytechnic University Strength of Materials-I (STM303)
Erbil Technical College Dr. Feras Khlef
Civil Engineering Techniques Dept. First Semester 2021
Lecture 10
Ex1: D etermin e th e a ngle of twist of th e e nd
A of th e ste el sh aft sho wn in th e Fig. Also,
wh a t is th e a ngle of twist of A rela tiv e to C ?
Th e sh aft h as a dia m eter of 200 m m.
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5. Erbil Polytechnic University Strength of Materials-I (STM303)
Erbil Technical College Dr. Feras Khlef
Civil Engineering Techniques Dept. First Semester 2021
Lecture 10
Ex2: Th e g e ars a tt a ch e d to th e fixe d-e nd ste el
sh aft are subje cte d to th e torqu es sho wn in th e
Fig. If th e sh aft h as a dia m eter of 14 m m,
d etermin e th e displa c e m e nt of th e to oth P on
g e ar A. G = 80 GPa.
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6. Erbil Polytechnic University Strength of Materials-I (STM303)
Erbil Technical College Dr. Feras Khlef
Civil Engineering Techniques Dept. First Semester 2021
Lecture 10