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  1. Problems
  2. /Mechanics
  3. /Elasticity and Mechanical Properties of Solids

Elasticity and Mechanical Properties of Solids

Physics
+ Upload a Problem
More in MechanicsUnits and MeasurementMotion in a Straight LineRelative MotionVectors and Motion in a PlaneNewton's Laws of MotionFrictionWork, Energy and PowerMomentum and CollisionsCircular MotionGravitationRotational MotionElasticity and Mechanical Properties of SolidsPressure and FluidsFluid Flow, Bernoulli's Principle and ViscositySurface Tension and Capillarity
36 problems
Type:
1.
A lift and its passengers have a mass of 1000 kg.
High School (11–12) · Elasticity and Mechanical Properties of SolidsStemPy LabStemPy Lab
Hard
2.
A rock flows under a stress of about 2.2 × 10⁸ Pa, and its density is 2900 kg/m³.
High School (11–12) · Elasticity and Mechanical Properties of SolidsStemPy LabStemPy Lab
Medium
3.
A steel beam rests on supports 2.5 m apart.
High School (11–12) · Elasticity and Mechanical Properties of SolidsStemPy LabStemPy Lab
Medium
4.
A crane lifts at most 8 tonnes (8000 kg).
High School (11–12) · Elasticity and Mechanical Properties of SolidsStemPy LabStemPy Lab
Medium
5.
A copper wire 1.5 m long and 0.80 mm across is fixed, just slack, between two rigid posts at 35 °C.
High School (11–12) · Elasticity and Mechanical Properties of SolidsStemPy LabStemPy Lab
Medium
6.
A steel girder 40 m long with a cross-section of 0.050 m² is warmed by 25 K.
High School (11–12) · Elasticity and Mechanical Properties of SolidsStemPy LabStemPy Lab
Medium
7.
A steel wire (1.5 mm²) and a copper wire (2.0 mm²), both 1.6 m long, hang side by side and hold up…
High School (11–12) · Elasticity and Mechanical Properties of SolidsStemPy LabStemPy Lab
Hard
8.
A brass wire (1.2 m long, 1.2 mm² in section) hangs from a hook, and a steel wire (1.8 m, 0.80 mm²)…
High School (11–12) · Elasticity and Mechanical Properties of SolidsStemPy LabStemPy Lab
Medium
9.
Answer, and give a reason. A stretched wire snaps.
High School (11–12) · Elasticity and Mechanical Properties of Solids, Work, Energy and PowerStemPy LabStemPy Lab
Easy
10.
A force rising steadily from zero to 120 N stretches a wire by 1.6 mm.
High School (11–12) · Elasticity and Mechanical Properties of Solids, Work, Energy and PowerStemPy LabStemPy Lab
Easy
11.
An aluminium wire (Y = 7.0 × 10¹⁰ Pa) and a rubber cord (Y = 4.0 × 10⁶ Pa) are each under a stress…
High School (11–12) · Elasticity and Mechanical Properties of Solids, Work, Energy and PowerStemPy LabStemPy Lab
Medium
12.
A copper wire 1.8 m long and 0.90 mm across carries a 45 N load.
High School (11–12) · Elasticity and Mechanical Properties of Solids, Work, Energy and PowerStemPy LabStemPy Lab
Easy
13.
A wire of volume 4.0 × 10⁻⁶ m³ is stretched to a longitudinal strain of 2.5 × 10⁻³.
High School (11–12) · Elasticity and Mechanical Properties of SolidsStemPy LabStemPy Lab
Medium
14.
Rubber has a Poisson's ratio close to 0.5.
High School (11–12) · Elasticity and Mechanical Properties of SolidsStemPy LabStemPy Lab
Hard
15.
A metal has Y = 1.2 × 10¹¹ Pa and G = 4.5 × 10¹⁰ Pa. Find its Poisson's ratio and its bulk modulus.
High School (11–12) · Elasticity and Mechanical Properties of SolidsStemPy LabStemPy Lab
Medium
16.
A copper wire 2.5 m long and 1.6 mm across is stretched by 1.2 mm.
High School (11–12) · Elasticity and Mechanical Properties of SolidsStemPy LabStemPy Lab
Medium
17.
Answer, and give a reason. Why can a gas have a bulk modulus but no Young's modulus or shear…
High School (11–12) · Elasticity and Mechanical Properties of Solids, Pressure and FluidsStemPy LabStemPy Lab
Easy
18.
Find the compressibility of water (B = 2.2 × 10⁹ Pa), of glycerine (B = 4.5 × 10⁹ Pa), and of air…
High School (11–12) · Elasticity and Mechanical Properties of Solids, Pressure and FluidsStemPy LabStemPy Lab
Easy
19.
A copper cube with edges of 12 cm is put in a tank where the pressure is raised by 3.5 × 10⁷ Pa.
High School (11–12) · Elasticity and Mechanical Properties of Solids, Pressure and FluidsStemPy LabStemPy Lab
Medium
20.
Find the extra pressure 2.5 km down in the sea, taking the density of water as 1.0 × 10³ kg/m³.
High School (11–12) · Elasticity and Mechanical Properties of Solids, Pressure and FluidsStemPy LabStemPy Lab
Medium
21.
Answer, and give a reason. Which modulus decides how far a metal shaft twists when a motor turns it?
High School (11–12) · Elasticity and Mechanical Properties of SolidsStemPy LabStemPy Lab
Easy
22.
A rubber mounting pad is 4.0 cm thick with a face of 150 cm².
High School (11–12) · Elasticity and Mechanical Properties of SolidsStemPy LabStemPy Lab
Easy
23.
A steel rivet 5.0 mm across joins two plates.
High School (11–12) · Elasticity and Mechanical Properties of SolidsStemPy LabStemPy Lab
Medium
24.
A lead plate 3.0 cm thick has a face of 0.15 m².
High School (11–12) · Elasticity and Mechanical Properties of SolidsStemPy LabStemPy Lab
Easy
25.
A wire stretches by 1.5 mm under a load.
High School (11–12) · Elasticity and Mechanical Properties of SolidsStemPy LabStemPy Lab
Easy
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