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You Are On Multi Choice Question Bank SET 1421

71051. The range of projectile on a downward inclined plane is __________ the range on upward inclined plane for the same velocity of projection and angle of projection.

71052. The angle of inclination of a vehicle when moving along a circular path __________ upon its mass.

71053. A body of weight W is required to move up on rough inclined plane whose angle of inclination with the horizontal is α. The effort applied parallel to the plane is given by(where μ = tanφ = Coefficient of friction between the plane and the body.)

71054. If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is

71055. A smooth cylinder lying on its convex surface remains in __________ equilibrium.

71056. Coefficient of friction is the ratio of the limiting friction to the normal reaction between the two bodies.

71057. Moment of inertia of a circular section about an axis perpendicular to the section is

71058. What would you do, if you ......... attacked by a bandit?

71059. The unit of angular acceleration is

71060. Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is

71061. If the masses of both the bodies, as shown in the below figure, are reduced to 50 percent, then tension in the string will be

71062. Which of the following is an equation of linear motion?(where, u and v = Initial and final velocity of the body, a = Acceleration of the body, and s = Displacement of the body in time t seconds.)

71063. If a number of forces are acting at a point, theirresultant will be inclined at an angle θ with the horizontal, such that

71064. The above figure shows the two equal forces at right angles acting at a point. The value of force R acting along their bisector and in opposite direction is

71065. The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction.

71066. In the shown figure, if the angle of inclination of the plane is increased, then acceleration of the system will

71067. The total time taken by a projectile to reach maximum height and to return back to the ground, is known as time of flight.

71068. Who is the first winner of ‘O.Chanthumenon Puraskaram’?

71069. The range of a projectile is maximum, when the angle of projection is

71070. The mechanical advantage of a lifting machine is the ratio of

71071. Static friction is always __________ dynamic friction.

71072. A body will begin to move down an inclined plane if the angle of inclination of the plane is __________ the angle of friction.

71073. When a particle moves along a circular path with uniform velocity, there will be no tangential acceleration.

71074. The bodies which rebound after impact are called

71075. The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as

71076. The centre of gravity of an equilateral triangle with each side a, is __________ from any of the three sides.

71077. The distance, between the point of projection and the point where the projectile strikes the ground, is known as range.

71078. The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as

71079. The triangle law of forces states that if two forces acting simultaneously on a particle, be represented in magnitude and direction by the two sides of a triangle taken in order, then their resultant may be represented in magnitude and direction by the third side of a triangle, taken in opposite order.

71080. The angle between two forces when the resultant is maximum and minimum respectively are

71081. The path of the projectile is a parabola.

71082. Krishna Poonia is associated with?

71083. A redundant frame is also called __________ frame.

71084. Koyana Hydro electric power project is located in which of the following states?

71085. A resultant force is a single force which produces the same effect as produced by all the given forces acting on a body.

71086. When a rigid body is suspended vertically, and it oscillates with a small amplitude under the action of the force of gravity, the body is known as

71087. Who is the permanent Indian representative of UNO?

71088. If two blocks of equal mass are attached to the two ends of a light string and one of the blocks is placed over a smooth horizontal plane while the other is hung freely after passing over a smooth pulley, then the two blocks will have some motion.

71089. During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.

71090. Work done is said to be zero, when

71091. The force which acts along the radius of a circle and directed away from the centre of the circle is called centrifugal force.

71092. One watt is equal to

71093. two like parallel forces are acting at a distance of 24 mm apart and their resultant is 20 N. It the line of action of the resultant is 6 mm from any given force, the two forces are

71094. If two bodies having masses m1 and m2 (m1>m2) have equal kinetic energies, the momentum of body having mass m1 is __________ the momentum of body having mass m2.

71095. The point, through which the whole weight of the body acts, irrespective of its position, is known as

71096. The loss of kinetic energy during elastic impact is zero.

71097. The overturning of a vehicle on a level circular path can be avoided if the velocity of vehicle is __________ .

71098. Which of the following is a scalar quantity?

71099. The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction in which the force acts. This statement is known as

71100. In ideal machines, mechanical advantage is __________ velocity ratio.

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