The upper end of wire 1 m long and 2 mm radius is clamped. The lower end is twisted through an angle of 45°. The angle of shear is_________
A. 0.09°
B. 0.9°
C. 9°
D. 90°
Answer:A
The upper end of wire 1 m long and 2 mm radius is clamped. The lower end is twisted through an angle of 45°. The angle of shear is_________
A. 0.09° B. 0.9° C. 9° D. 90°