Q. The angle between two forces when the resultant is maximum and minimum respectively areThe path of the projectile is a parabola.

View solution

Q. The equivalent length of a simple pendulum which gives the same frequency as compound pendulum is

View solution

Q. A redundant frame is also called __________ frame.

View solution

Q. Mass moment of inertia of a uni form thin rod of mass M and length (l) about its mid-point and perpendicular to its length is

View solution

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

View solution

Q. Static friction is always __________ dynamic friction.

View solution

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

View solution

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

View solution

Q. The bodies which rebound after impact are called

View solution

Q. Work done is said to be zero, when

View solution

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

View solution

Q. One watt is equal to

View solution

Q. 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

View solution

Q. 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.

View solution

Q. The velocity ratio in case of an inclined plane inclined at angle θ to the horizontal and weight being pulled up the inclined plane by vertical effort is

View solution

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