Question

A metal plate measuring 1 cm × 20 cm × 40 cm is embedded with a side of 20 cm × 1 cm into a wall at one end and is pulled by a force 1.6 × 10⁶ N parallel to the 1 cm side at the other end. The angle through which the plate is turned is (11 = 40 × 10⁹ Pa). 

विकल्प

• 0.02 rad

• 0.03 rad

• 0.04 rad

• 0.05 rad

Answer 1

0.02 rad

Explanation:

η = `("F"//"A")/Φ`

∴ Φ = `("F"//"A")/η`

= `(1.6 xx 10^6)/(20 xx 10^-4 xx 40 xx 10^9)`

= 0.02 rad