Erbil Polytechnic University Strength of Materials-I (STM303) Erbil Technical College Dr. Feras Khlef Civil Engineering Techniques Dept. First Semester 2021 Lecture 5

1. Erbil Polytechnic University Strength of Materials-I (STM303)
Erbil Technical College Dr. Feras Khlef
Civil Engineering Techniques Dept. First Semester 2021
Lecture 5
Ex4: Determine the average normal strains in
the two wires in Fig. 2–5 if the ring at A moves
to A .
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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 5
Ex5: When force P is applied to the rigid
lever arm ABC in Fig. 2–6a, the arm rotates
counterclockwise about pin A through an
angle of 0.05°. Determine the normal strain
in wire BD.
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