Rotate about itself without moving
Move in any one direction rotating about itself
Be completely at rest
All of these
D. All of these
Rotate about itself without moving
Move in any one direction rotating about itself
Be completely at rest
All of these
Two times
Same
Half
None of these
v
v/2
v/4
v/8
Potential energy only
Kinetic energy of translation only
Kinetic energy of rotation only
Kinetic energy of translation and rotation both
Velocity
Acceleration
Momentum
None of these
P = Q
Q = R
Q = 2R
None of these
t = 2u. sinα/g
t = 2u. cosα/g
t = 2u. tanα/g
t = 2u/g.sinα
Mechanical advantage is greater than velocity ratio
Mechanical advantage is equal to velocity ratio
Mechanical advantage is less than velocity ratio
Mechanical advantage is unity
W sinθ
W cosθ
W secθ
W cosecθ
Coplanar
Meet at one point
Both (A) and (B) above
All be equal
(BD³/12) - (bd³/12)
(DB³/12) - (db³/12)
(BD³/36) - (bd³/36)
(DB³/36) - (db³/36)
a2/8
a3/12
a4/12
a4/16
h/kG
h2/kG
kG2/h
h × kG
Limiting friction
Sliding friction
Rolling friction
Kinematic friction
Meet
Do not meet
Either A or B
None of these
m₁. m₂. g/(m₁ + m₂)
2m₁. m₂. g/(m₁ + m₂)
(m₁ + m₂)/ m₁. m₂. g
(m₁ + m₂)/2m₁. m₂. g
Static friction
Dynamic friction
Limiting friction
Coefficient of friction
Both the balls undergo an equal change in momentum
The change in momentum suffered by rubber ball is more than the lead ball
The change in momentum suffered by rubber ball is less than the lead ball
None of the above
Same
More
Less
May be less of more depending on nature of surfaces and velocity
πd3/16
πd3/32
πd4/32
πd4/64
Same as
Twice
Thrice
Four times
1/2
2/3
3/2
2/4
Work is done by a force of 1 N when it displaces a body through 1 m
Work is done by a force of 1 kg when it displaces a body through 1 m
Work is done by a force of 1 dyne when it displaces a body through 1 cm
Work is done by a force of 1 g when it displaces a body through 1 cm
Weight
Velocity
Acceleration
Force
Equal to
Less than
Greater than
Either (B) or (C)
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
Newton
erg
kg-m
joule
Reversible machine
Non-reversible machine
Neither reversible nor non-reversible machine
Ideal machine
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
More inclined when moving
Less inclined when moving
More inclined when standing
Less inclined when standing