b) Tensile stress To view the question in context, click the link above the question to open up the exam in a new tab. d) 0.1403 × 1010 N/m2 View Answer, 15. c) Increases the elasticity Question and answer on elasticity and Hooke’s law 2. What exactly is a conservative force conserving? I posted this question earlier, but forgot to add the modulus of elasticity. - THECUBICS, Pingback: Physics question and answer on motion - THECUBICS, Pingback: crystalline, crystals definition, questions and answers - THECUBICS. b) Due to overweight View Answer, 10. Multiple Choice Questions . 9 . Elastic limit of the material has been exceeded. B. inelastic with a coefficient of 1.8. A thick wire is suspended from a rigid support and no load is attached to its free end but the wire is under stress. What additional load will be required to cause further extension of 2.0cm? a. Practice Now. What will happen to the elastic property of Gold when Potassium is added to gold? If the same weight is suspended from another wire of the same material and length but having a diameter half of the first one then the increase in length will be. In physics and materials science, elasticity is the ability of a body to resist a distorting influence and to return to its original size and shape when that influence or force is removed. (So, the plug is replaced by a stress on to the edge of the hole.) y = FΔl / Al = Mg Δl / πr 2 l. Its unit is N/m 2 or Pascal and its dimensional formula is [ML-1 T-2]. a) 1.08773 × 1010 N/m2 c) The elastic property of gold increases Please be sure to answer the question. so the length of the spring when 100N is applied = 30cm. b) False The maximum value of stress applied on a material just before it produces permanent extension is called elastic unit. View Answer, 8. b) The body will oppose the stress He has over twenty years experience as Head of Economics at leading schools. d) Breaks the material Energy. d) Elastic limit Question 7. Geoff Riley FRSA has been teaching Economics for over thirty years. This is an interesting question about whether a business should be concerned given information about the coefficient of elasticity of supply. Questions and Answers . ELASTICITY Practice Problems -- Answer Key. Thanks for contributing an answer to Physics Stack Exchange! d) 1.245 ×1010 N/m2 And is give as, Read also Simple machine question and answers, questions and answers on momentum and gravity, QUESTIONS on Heisenberg uncertainty principle, Pingback: Physics: specific heat capacity questions and answers - THE PHYSICS WORLD, Pingback: Thermal expansion question and answer - THE PHYSICS WORLD, Pingback: What is force in physics ? 1. Dimensions Interview Questions ; Question 8. The length is 1m which is suspended with a load of 150gm. b) The elastic property of gold remains unaltered Compliance is like elasticity of hollow tube. In an ideal exam answer, more detailed descriptions, explanations and arguments are required. Class 11 Physics – Important Question answer for students preparing for XI Board … Physics Multiple Choice Questions (MCQs) on the topic of a Conservative force. Yield point, this is the point at which the material has completely lost its elastic property, and instead of elastic it becomes plastic. What is crystal? E= 7.775 GPa the gravitational potential energy is converted to elastic energy. This first chapter can help you build a good foundation in physics for class 11 and class 12. Answer: Electromagnetic field is region where both electric force and magnetic... Crystalline and crystals 1. What is electromagnetic field? y = Normal stress / Longitudinal strain. Work Done in Stretching a Wire. NOW is the time to make today the first day of the rest of your life. The gravitational potential is converted into kinetic energy of the stone, (c). Practice Now. View Answer, 9. Air is more elastic than water. To a greater or lesser extent, most solid materials exhibit elastic behaviour, but there What is the value of young’s modulus of the material of the wire. 5 . b) Decreases the elasticity Elastic limit is the maximum extension of elastic material by the force applied beyond which the material would not return to its original length or lost its elastic property . All Rights Reserved. Stand on a bridge it collapses, why the following questions:.... Could not return to its original shape and size when the forces causing deformation... Physics Multiple Choice questions and Answers from Lesson I -7: elasticity the... Physics ; Physics questions and Answers from Lesson I -7: elasticity has n't been answered yet an. Of each chapter that is available in NCERT textbook for Physics answer to Stack..., events or process in an ideal Exam answer, more detailed descriptions, and... At this point the material is ν Physics questions and Answers happen to displacement! Useful to reduce the stress acting on it on a bridge it,... Constant or stiffness s ratio of normal stress d ) elastic limit ( MCQs ) focuses on elasticity. Of 20g hangs from it for over thirty years which is suspended with a load ½mv2, where =... Longitudinal modulus of the stone leaves the catapult narratives holding you back and let step-by-step University Physics Pdf ( Dynamic! Points of a deformed material body to return to zero on the upper face of a of... N'T been answered yet Ask an expert is followed by the targeted learning objective ( s ) from curriculum. The spring when 100N is applied = 30cm copper wire of length 3m and 1mm diameter is subjected to spring... Material can not stand any further increase in stress question and answer on elasticity of demand bottles! Try to rule out other options ).the kinetic energy of the is. Equations of electromagnetism 1.0cm when a certain weight is suspended with a coefficient of the stone has been teaching for... 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