Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction<="" div=""> Wcos(a + ) Wtan(a-<)>) Wtan(a + <)>) Wsin(a + <(>) Wcos(a + ) Wtan(a-<)>) Wtan(a + <)>) Wsin(a + <(>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are 2 and 5 V5 and V5 3 and 1 kg 2 and V6 2 and 5 V5 and V5 3 and 1 kg 2 and V6 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Tangent of angle of friction is equal to limiting friction angle of repose kinetic friction coefficient of friction limiting friction angle of repose kinetic friction coefficient of friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The necessary condition for forces to be in equilibrium is that these should be All be equal Meet at one point Coplanar Coplanar & Meet at one point All be equal Meet at one point Coplanar Coplanar & Meet at one point ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Effect of a force on a body depends upon direction All of the listed here magnitude position or line of action direction All of the listed here magnitude position or line of action ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Coulomb friction is the friction between two dry surfaces bodies having relative motion solids and liquids two lubricated surfaces two dry surfaces bodies having relative motion solids and liquids two lubricated surfaces ANSWER DOWNLOAD EXAMIANS APP
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