kg m
kcal
Watt
Watt hours
C. Watt
W between P and F
F between W and P
P between W and F
W, P and F all on one side
0°
30°
45°
60°
Reversible machine
Non-reversible machine
Neither reversible nor non-reversible machine
Ideal machine
0° and 180°
180° and 0°
90° and 180°
90° and 0°
More inclined when moving
Less inclined when moving
More inclined when standing
Less inclined when standing
Force
Work
Power
Velocity
Downward at its upper end
Upward at its upper end
Zero at its upper end
Perpendicular to the wall at its upper end
Balance each other
Constitute a moment
Constitute a couple
Constitute a moment of couple
The algebraic sum of the resolved parts of the forces in the given direction
The sum of the resolved parts of the forces in the given direction
The difference of the forces multiplied by the cosine of θ
The sum of the forces multiplied by the sine of θ
Less than
Greater than
Equal to
None of these
2mr2/3
2mr2/5
mr2
mr2/2
Reaction of any smooth surface with which the body is in contact
Reaction of a rough surface of a body which rolls on it without slipping
Reaction at a point or an axis, fixed in space, around which a body is constrained to turn
All of the above
h/2
J/3
h/6
h/4
Zeroth order
First order
Second order
Third order
ω/r
ω.r
ω2/r
ω2.r
Same
More
Less
May be less of more depending on nature of surfaces and velocity
Purely translation
Purely rotational
Combined translation and rotational
None of these
Weight
Velocity
Acceleration
Force
Zero
One
Between zero and one
More than one
Gravitational pull exerted by the earth
Forces experienced by body in atmosphere
Force of attraction experienced by particles
Gravitational force of attraction towards the centre of the earth
The algebraic sum of the forces, constituting the couple is zero
The algebraic sum of the forces, constituting the couple, about any point is the same
A couple cannot be balanced by a single force but can be balanced only by a couple of opposite sense
All of the above
Two members with unknown forces of the frame
Three members with unknown forces of the frame
Four members with unknown forces of the frame
Three members with known forces of the frame
Inelastic bodies
Elastic bodies
Neither elastic nor inelastic bodies
None of these
Balance each other
Cannot balance each other
Produce moment of a couple
Are equivalent
Direction of the axis of rotation
Magnitude of angular displacement
Sense of angular displacement
All of these
Is the turning effect produced by a force, on the body, on which it acts
Is equal to the product of force acting on the body and the perpendicular distance of a point and the line of action of the force
Is equal to twice the area of the triangle, whose base is the line representing the force and whose vertex is the point, about which the moment is taken
All of the above
Coplanar concurrent forces
Coplanar non-concurrent forces
Like parallel forces
Unlike parallel forces
Limiting friction
Kinematic friction
Frictional resistance
Dynamic friction
1/2
2/3
3/2
2/4
Two times
Same
Half
None of these