Momentum and impulse
Torque and energy
Torque and work
Moment of a force and angular momentum.
D. Moment of a force and angular momentum.
πN/60
πN/180
2πN/60
2πN/180
A reversible machine
A non-reversible machine
An ideal machine
None of these
Less than
Equal to
More than
None of these
Upwards
Downwards
Horizontal
None of these
The two bodies will momentarily come to rest after collision
The two bodies tend to compress and deform at the surface of contact
The two bodies begin to regain their original shape
All of the above
Same
More
Less
May be less of more depending on nature of surfaces and velocity
These forces are equal
The lines of action of these forces meet in a point
The lines of action of these forces are parallel
Both (B) and (C) above
W sinθ
W cosθ
W tanθ
W cotθ
Lie
Do not lie
Either A or B
None of these
Equal to
Equal and opposite to
Less than
Greater than
Equal to 50 %
Less than 50 %
Greater than 50 %
100 %
Zero
One
Between zero and one
More than one
ml2/4
ml2/ 6
ml2/8
ml2/12
One fourth of the total height above base
One third of the total height above base
One-half of the total height above base
Three eighth of the total height above the base
No
Minimum
Maximum
None of these
Equal to
Less than
Greater than
None of these
4
8
16
20
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
a = α/ r
a = α.r
a = r / α
None of these
Algebraic sum of the horizontal components of all the forces should be zero
Algebraic sum of the vertical components of all the forces should be zero
Algebraic sum of moments of all the forces about any point should be zero
All of the above
Density of metal can't be determined
Metal is twice as dense as water
Metal will float in water
Metal is twice as dense as unknown fluid
Angstrom
Light year
Micron
Milestone
Translatory
Rotary
Circular
Translatory as well as rotary
ω/r
ω.r
ω2/r
ω2.r
P/sin β = Q/sin α = R/sin
P/sin α = Q/sin β = R/sin
P/sin = Q/sin α = R/sin β
P/sin α = Q/sin = R/sin β
Angle between normal reaction and the resultant of normal reaction and the limiting friction
Ratio of limiting friction and normal reaction
The friction force acting when the body is just about to move
The friction force acting when the body is in motion
Coplanar
Meet at one point
Both (A) and (B) above
All be equal
Meet in a point
Be all parallel
At least two of them must meet
All the above are correct
30°
45°
60°
90°
Area of contact
Shape of surfaces
Strength of surfaces
Nature of surface