1. adhesion
2. cohesion
3. viscosity
4. compressibility
adhesion
1. reaction of any smooth surface with which the body is in contact
2. reaction of a rough surface of a body which rolls on it without slipping
3. reaction at a point or an axis, fixed in space, around which a body is con-strained to turn
4. all of the above
all of the above
1. maximum
2. minimum
3. zero
4. infinity
zero
1. 20 kg, negative sense
2. 20 kg, positive sense
3. 10 kg, positive sense
4. 10 kg, negative sense
20 kg, negative sense
1. at normal pressure of 760 mm
2. at 4°C temperature
3. at mean sea level
4. all the above
all the above
1. 1000 N/m3
2. 10000 N/m3
3. 9.81 x 103 N/m3
4. 9.81 N/m3
9.81 x 103 N/m3
1. quasi static
2. steady state
3. laminar
4. uniform
uniform
1. angle between normal reaction and the resultant of normal reaction and the limiting friction
2. ratio of limiting friction and normal reaction
3. the ratio of minimum friction force to the friction force acting when the body is just about to move
4. the ratio of minimum friction force to friction force acting when the body is in motion
angle between normal reaction and the resultant of normal reaction and the limiting friction
1. area of contact
2. shape of surfaces
3. strength of surfaces
4. nature of surface
nature of surface
1. along the plane
2. horizontally
3. vertically
4. at an angle equal to the angle of friction to the inclined plane
at an angle equal to the angle of friction to the inclined plane