Strength of Materials Limiting force of friction is the the friction force acting when the body is in motion Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction Ratio of limiting friction and normal reaction The friction force acting when the body is just about to move the friction force acting when the body is in motion Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction Ratio of limiting friction and normal reaction The friction force acting when the body is just about to move ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of forces resolution of forces. balance of force independence of forces forces resolution of forces. balance of force independence of forces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction Wsin(a + <(>) Wcos(a + ) Wtan(a + <)>) Wtan(a-<)>) Wsin(a + <(>) Wcos(a + ) Wtan(a + <)>) Wtan(a-<)>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be r/2 2r/3 3r/2 r/A r/2 2r/3 3r/2 r/A ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In the lever of third order, load W, effort P and fulcrum F are oriented as follows F between W and P P between W and F W, P and F all on one side W between P and F F between W and P P between W and F W, P and F all on one side W between P and F ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Dynamic friction as compared to static friction is same more less may be less of more depending on nature of surfaces and velocity same more less may be less of more depending on nature of surfaces and velocity ANSWER DOWNLOAD EXAMIANS APP