- Is directly proportional to their velocity of approach
- Is inversely proportional to their velocity of approach
- Bears a constant ratio to their velocity of approach
- Is equal to the sum of their velocities of approach
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The terminal velocity of a particle moving through a fluid varies as dpn. What is the value of n' for Newton's law regime?
Answer: Option 1 Let'
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When two elastic bodies collide with each other,?
Answer: Option 4 Let'
1 Answers 1 views
All materials obey Hooke's law within elastic limit. When elastic limit is reached, the tensile strain?
Answer: Option 1 Let'
1 Answers 1 views
Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, σ = yield strength and E = modulus of elasticity)?
Answer: Option 3 Let'
1 Answers 2 views
How is M related to N Statements : I. P, who has only two kids, M and N, is the mother-in-law of Q, who is sister-in-law of N. II. R, the sister-in-law of M, is the daughter-in-law of S, who has only two kids, M and N.?
Answer: Option 1 From I, we conclude that P is the mother of M and N, while Q is the daughter-in-law of P and sister-in-law of N. Thus, Q is...
1 Answers 1 views
Which of the following statements regarding species interdependence are true A. An association of two species where one is benefitted and other remains unaffected called mutualism B. An interspecific association where both partners derive benefit from each other is called commensalism C. A direct food relation between two species of animals in which one animals kills and feed on another is referred as predation D. A relationship between two species of organism where both the partners are benefitted from each other is called symbiosis?
Answer: Option 2 A direct food relation between two species of animals in which one animals kills and feed on another is referred as predation and a relationship between two...
1 Answers 1 views
In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, Vg = velocity gradient ).?
Answer: Option 4 Let'
1 Answers 1 views
Three elastic constants for a completely anisotropic elastic material which follows the Hooke's law are young's modulus, elastic limit stress and yield stress. Which of the following properties is most sensitive to increase in strain rate ?
Answer: Option 3 Let'
1 Answers 1 views
Which of the following must be followed by the flow of a fluid (real or ideal) (I) Newton's law of viscosity.(II) Newton's second law of motion. (III) The continuity equation.(IV) Velocity of boundary layer must be zero relative to boundary.(V) Fluid cannot penetrate a boundary.?
Answer: Option 2 Let'
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Which law/principle of solid mechanics is similar/equivalent to Newton's law of viscosity in fluid mechanics?
Answer: Option 3 Let'
1 Answers 4 views