Q. 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.

View solution

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

View solution

Q. 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.)

View solution

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

View solution

Q. 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

View solution

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

View solution

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

View solution

Q. 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

View solution

Q. 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.

View solution

Q. 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

View solution

Q. 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.)

View solution

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

View solution

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

View solution

Q. 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

View solution

Q. 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.

View solution

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

View solution

Q. 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.

View solution

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

View solution

Q. The frequency of oscillation of a torsional pendulum is

View solution

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

View solution