Elasticity of Materials III Lowersixth Science Physics

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Elasticity and solids basics.

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Elasticity of Materials III Lowersixth Science Physics


Froggy Jumps Elasticity of Materials III Lowersixth Science PhysicsVersion en ligne Elasticity and solids basics. par YAKILI LMS 1 What is elastic potential energy stored when a spring is stretched? a ½ k x^2 b ½ mv^2 c kx 2 Which solid type has a regular lattice structure? a Crystalline solid b Glassy solid c Polymeric solid 3 In a force-extension graph, area under the curve represents what? a Work done b Energy dissipated c Power 4 What is hysteresis in elastic materials? a Energy loss in a cycle b Perfect elasticity c Zero deformation 5 Resilience describes a material's ability to a Dissipate all energy b Store and return energy c Melt under stress 6 Which solid has a random internal arrangement? a Polymeric solid b Glassy solid c Crystalline solid 7 Which type can show multiple crystalline grains? a Glass b Polycrystalline solid c Crystalline solid 8 Hooke's law relates force to a Temperature change b Extension in springs c Mass change 9 Young's modulus is a property of a Mass density b Light speed c A material’s stiffness 10 Which graph shows a linear region for a spring? a Force vs extension b Mass vs velocity c Energy vs time 11 Elastic potential energy of a spring is stored when it is a Moving at constant speed b Rotating c Stretched or compressed 12 What happens to kinetic energy if a spring returns to rest? a Doubles b Remains constant c It decreases to zero 13 Which solid has long-range order in a uniform lattice? a Glassy solid b Liquid c Crystalline solid 14 Which material often shows plastic deformation? a Crystalline solid b Polymeric solid c Gas 15 In a force-extension graph, a non-linear portion indicates a Non-Hookean behavior b Elastic limit reached c Hooke’s law holds 16 What is the unit of force in Hooke's law? a Newtons b Pascals c Joules 17 Which energy change occurs during hysteresis? a Dissipated as heat b Created from nothing c Gained as light 18 Which term describes a material that returns to its original shape? a Plastic b Elastic c Viscous 19 The work done in stretching a spring equals a Elastic potential energy b Kinetic energy c Thermal energy 20 A crystalline solid has which property? a Melt at room temp b Long-range order c Isotropy 21 What distinguishes a glassy solid? a Perfect lattice b Disordered structure c Crystalline grains 22 For a crystalline solid, force-extension is typically a Zero extension b Linear up to yield c Non-linear from start 23 What does resilience measure? a Heat capacity b Weight c Energy stored and released 24 Which is a polycrystalline material feature? a Many crystalline grains b Single molecule c Amorphous glass 25 Elastic potential energy depends on a Velocity b Displacement squared c Temperature 26 In a force-extension graph, slope gives a Mass b Area under curve c Stiffness (k) 27 Which term describes materials that deform permanently after loading? a Ductile (plastic) b Elastic c Rigid 28 Which solid type lacks a long-range lattice? a Glassy solid b Polycrystalline solid c Crystalline solid 29 What type of energy is stored in a stretched spring? a Chemical energy b Kinetic energy c Elastic potential energy 30 Which graph region is used to determine modulus? a Non-linear region b Linear region c Flat region 31 What determines a material’s stiffness? a Young’s modulus b Thermal conductivity c Density 32 Which solid shows recovery after removing load? a Viscous liquid b Elastic solid c Plastic solid 33 Work done to spring is stored as a Elastic potential energy b Kinetic energy c Heat 34 Which type has grains with varied orientations? a Polycrystalline solid b Glassy solid c Crystalline solid 35 What is the area under a force-extension curve? a Power b Momentum c Work done 36 Which energy is regained after removing load in ideal elastic? a None b Partially c All elastic energy 37 A material showing hysteresis would a Gain energy b Dissipate energy as heat c Return all energy instantly 38 Which solvent defines a crystalline lattice strength? a Ambient pressure b Interatomic bonds c Color 39 Which solid is typically isotropic? a Crystalline solid b Polycrystalline solid c Glassy solid 40 The slope of a force-extension graph equals a Density b Stiffness c Mass 41 What describes a material that returns to shape after loading? a Elastic b Viscous c Plastic 42 Elastic potential energy formula contains a Volume b Velocity c Displacement squared 43 Which energy remains in hysteresis loop? a Thermal energy b Kinetic energy c Potential energy 44 Which is not a solid classification? a Liquid crystal b Crystalline c Glassy 45 For a polymeric solid, extension energy is a Not stored at all b Partially stored in bonds c Entirely kinetic 46 Which graph type depicts crack propagation? a Energy-velocity b Force-extension curve (nonlinear) c Displacement-time 47 Which parameter measures stiffness in a material? a Viscosity b Young’s modulus c Density 48 Elastic recovery after unloading indicates a No recovery b Low permanent set c High damping 49 Which solid is typically amorphous? a Crystalline solid b Glassy solid c Polycrystalline solid 50 Which energy form is released as heat in cycles? a Stored energy b Dissipated energy c Potential energy

Elasticity of Materials III Lowersixth Science Physics

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Elasticity of Materials III Lowersixth Science PhysicsVersion en ligne

par YAKILI LMS

What is elastic potential energy stored when a spring is stretched?

Which solid type has a regular lattice structure?

In a force-extension graph, area under the curve represents what?

What is hysteresis in elastic materials?

Resilience describes a material's ability to

Which solid has a random internal arrangement?

Which type can show multiple crystalline grains?

Hooke's law relates force to

Young's modulus is a property of

Which graph shows a linear region for a spring?

Elastic potential energy of a spring is stored when it is

What happens to kinetic energy if a spring returns to rest?

Which solid has long-range order in a uniform lattice?

Which material often shows plastic deformation?

In a force-extension graph, a non-linear portion indicates

What is the unit of force in Hooke's law?

Which energy change occurs during hysteresis?

Which term describes a material that returns to its original shape?

The work done in stretching a spring equals

A crystalline solid has which property?

What distinguishes a glassy solid?

For a crystalline solid, force-extension is typically

What does resilience measure?

Which is a polycrystalline material feature?

Elastic potential energy depends on

In a force-extension graph, slope gives

Which term describes materials that deform permanently after loading?

Which solid type lacks a long-range lattice?

What type of energy is stored in a stretched spring?

Which graph region is used to determine modulus?

What determines a material’s stiffness?

Which solid shows recovery after removing load?

Work done to spring is stored as

Which type has grains with varied orientations?

What is the area under a force-extension curve?

Which energy is regained after removing load in ideal elastic?

A material showing hysteresis would

Which solvent defines a crystalline lattice strength?

Which solid is typically isotropic?

The slope of a force-extension graph equals

What describes a material that returns to shape after loading?

Elastic potential energy formula contains

Which energy remains in hysteresis loop?

Which is not a solid classification?

For a polymeric solid, extension energy is

Which graph type depicts crack propagation?

Which parameter measures stiffness in a material?

Elastic recovery after unloading indicates

Which solid is typically amorphous?

Which energy form is released as heat in cycles?