MICROBIOLOGY OF WASTE WATER QUIZ

Wtan(a + <)>)

Wsin(a + <(>)

Wcos(a + )

Wtan(a-<)>)

shape of surfaces

strength of surfaces

nature of surface

area of contact

Zero

Minimum

Infinity

Maximum

20 kg, + ve sense

10 kg, – ve sense

10 kg, + ve sense

20 kg, – ve sense

shape of the surfaces

nature of surfaces

All of the listed here

area of contact

2n-3

2n-l

n-2

n-l

the center of heavy portion

the mid point of its axis

the bottom surface

All of these

the lines of action of these forces are parallel

the lines of action of these forces meet in a point & the lines of action of these forces are parallel

these forces are equal

the lines of action of these forces meet in a point

gravitational force of attraction towards the centre of the earth.

gravitational pull exerted by the earth

force of attraction experienced by par-ticles

centripetal force of earth

resolution of forces.

independence of forces

forces

balance of force