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REPRODUCTION IN ORGANISMS
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Gene shears are
A metallic cube whose each side is 10 cm is subjected to a shearing force of 100 kgf. The top face is displaced through 0.25 cm with respect to the bottom ? Calculate the shearing stress, strain and shear modulus.
In the above problem, for what angle is the shearing stress a maximum?
a. Estimate the force with which a karate master strikes a board, assuming the hand's speed at the moment of impact is 10.0ms^(-1) , decreasing to 1.00ms^(-1) during a 0.002 s time internal of contact between te hand and the board. The mass of his and and arm is 1.00 kg . b Estimate the shear, assuming this force it exerted on a 1.00 cm thick pine board that is 10.0 m wide. c. If we maximum shear stress a pine board can support before breaking is 3.60xx10^(6)N//m^(2) , will the board break?
Shear stress.
The ration of shearing to the shearing strain is defined as
Within the elastic limit, the ratio of shear stress and shearing strain is called
How and when shearing is done?
The strain energy stored in a body of volume V due to shear strain is phi (shear modulus is n)
DINESH PUBLICATION-PRINCIPLES AND APPLICATIONS OF BIOTECHNOLOGY-Brain Teasers
