STRENGTH OF MATERIALS QUIZ

the tangent of the angle of repose is equal to coefficient of friction

the angle of repose is equal to angle of friction

the sine of the angle of repose is equal to coefficient to friction

the tangent of the angle of friction is equal to coefficient of friction

right angled triangle

equilateral triangle

square

circle

if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero

if a system of coplanar forces is in equilibrium, then their algebraic sum is zero

positive and negative couples can be balanced

the algebraic sum of the moments of any two forces about any point is equal to moment of theiwesultant about the same point

direction

position or line of action

magnitude

All of the listed here

zeioth order

third order

first order

second order

20 kg, - ve sense

10 kg, - ve sense

20 kg, + ve sense

10 kg, + ve sense

The friction force acting when the body is just about to move

Ratio of limiting friction and normal reaction

The friction force acting when the body is in motion

Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction

2 and V6

V5 and V5

3 and 1 kg

2 and 5

mechanical advantage is equal to velocity ratio

mechanical advantage is unity

mechanical advantage is less than velocity ratio

mechanical advantage is greater than velocity ratio

metal is twice as dense as water

density of metal can’t be determined

metal is twice as dense as unknown fluid

metal will float in water