2.5 cm
3.0 cm
4.0 cm
5.0 cm
C. 4.0 cm
The point of C.G.
The point of metacenter
The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis
Point of suspension
Magnitude
Direction
Point of application
All of the above
v
2v
4v
8v
Angle of friction
Angle of repose
Angle of projection
None of these
A force acting in the opposite direction to the motion of the body is called force of friction
The ratio of the limiting friction to the normal reaction is called coefficient of friction
A machine whose efficiency is 100% is known as an ideal machine
The velocity ratio of a machine is the ratio of load lifted to the effort applied
One point
One plane
Different planes
Perpendicular planes
Half
Equal to
Double
None of these
Purely translation
Purely rotational
Combined translation and rotational
None of these
Coplanar concurrent forces
Coplanar non-concurrent forces
Non-coplanar concurrent forces
Non-coplanar non-concurrent forces
Meet at one point, but their lines of action do not lie on the same plane
Do not meet at one point and their lines of action do not lie on the same plane
Meet at one point and their lines of action also lie on the same plane
Do not meet at one point, but their lines of action lie on the same plane
Potential energy
Kinetic energy
Power
None of these
g/2
g
√2.g
2g
W sinθ
W cosθ
W secθ
W cosecθ
√3. W (tensile) and 2W (compressive)
2W (tensile) and √3. W (compressive)
2√3. W (tensile) and 2√3. W (compressive)
None of the above
Newton
erg
kg-m
joule
h/(kG² + h²)
(kG² + h²)/h
h²/(kG² + h²)
(kG² + h²)/h²
Halved
Doubled
Quadrupled
None of these
0° and 180°
180° and 0°
90° and 180°
90° and 0°
5
10
20
40
m₁. m₂. g/(m₁ + m₂)
2m₁. m₂. g/(m₁ + m₂)
(m₁ + m₂)/ m₁. m₂. g
(m₁ + m₂)/2m₁. m₂. g
Area of contact
Shape of surfaces
Strength of surfaces
Nature of surface
Energy
Mass
Momentum
Angle
Equal to 50 %
Less than 50 %
Greater than 50 %
100 %
Equal to
Equal and opposite to
Less than
Greater than
Potential energy
Kinetic energy
Electrical energy
Chemical energy
g (m1 - m2)/(m1 + m2)
2g (m1 - m2)/(m1 + m2)
g (m1 + m2)/(m1 - m2)
2g (m1 + m2)/(m1 - m2)
Towards the wall at its upper end
Away from the wall at its upper end
Upwards at its upper end
Downwards at its upper end
P × OA
P × OB
P × OC
P × AC
Zeroth order
First order
Second order
Third order
Coplanar concurrent forces
Coplanar non-concurrent forces
Like parallel forces
Unlike parallel forces