INDEX 289Newton metre, 57, 105
Newton’s laws of motion, 136, 139, 144
Normal force, 170
Optical pyrometer, 273
Orifice plate, 247
Parallel axis theorem, 89, 150
Parallelogram of forces, 29
Partial pressure, 260
Pascal, 2, 230, 235
Pendulum, compound, 195
simple, 194
Permanent elongation, 19
Perpendicular axis theorem, 90
Pirani gauge, 240
Pitometer, 250
Pitot-static tube, 249
Pivot, 58
Plasticity, 6
Platinum coil, 271
Point loading, 61
Polar second moment of area, 120
Polygon of forces, 31
Potential energy, 162, 187
Power, 110, 159
transmission, 110, 116
Practical applications of thermal expansion, 221
Pressure, 230
absolute, 232, 237
atmospheric, 232
fluid, 231
gauge, 232, 237
gauges, 237
hydrostatic, 240
law, 259
measurement of, 235
partial, 260
Principle of conservation of energy, 157, 162
mass, 253
momentum, 136
Principle of moments, 58
Pulleys, 200
Pyrometers, 212, 272
Radian, 127
Radiation, 217
Radius of gyration, 89
Reaction, 145
Reactions, 61
Refrigerator, 217
Relative velocity, 132
Resistance thermometers, 212, 270
Resolution of forces, 29, 34
Resultant, 27, 70
Resultant of coplanar forces,
by calculation, 29
by vector addition, 27, 30
Rigidity modulus, 12, 120
Rotameters, 251
Rotary vane positive displacement meters, 251
Rotation of a rigid body, 149Sagging, 69
Scalar quantity, 25, 132
Screw jack, 202
efficiency of, 177
Second moments of area, 88
for built-up sections, 96
table of, 91
Sensible heat, 215
Shear, 2
force, 2
modulus, 120
Shearing force, 69
diagram, 70, 72
Simple harmonic motion (SHM), 191
machines, 198
pendulum, 194
Simply supported beam, 57
having point loads, 61
practical applications, 61
with couples, 64
Sine rule, 29
Sliding friction, 170
coefficient of, 172
Specific heat capacity, 212
Spring-mass system, 192
Spur gears, 203
Stability of floating bodies, 242
Standard temperature and pressure (STP), 261
Statically indeterminate trusses, 41
Static friction, 170
coefficient of, 172
Stiction, 170
Stiffness, 7
Strain, 3
thermal, 12
Stress, 2
Strut, 40
Superficial expansion, coefficient of, 224Temperature, 211
indicating paints, 274
measurement of, 212, 267
sensitive crayons, 274
Tensile force, 2
test, 18
Tension, 2
Testing to destruction, 18
Thermal expansion, 221
practical applications, 221
Thermal strain, 12
Thermistors, 272
Thermocouples, 212, 268
Thermodynamic scale, 211