The angle which an inclined surface makes with the horizontal when a body placed on it is on the point of moving down, is called None of these Angle of repose Angle of inclination Angle of friction TRUE ANSWER : ? YOUR ANSWER : ?
The resultant of two forces acting at right angles is √34 kg and acting at 60° is 70 kg. The forces are 3 kg and 5 kg √3 kg and √5 kg 1 kg and 4 kg 2 kg and 3 kg TRUE ANSWER : ? YOUR ANSWER : ?
‘μ’ is coefficient of friction. A wheeled vehicle travelling on a circular level track will slip and overturn simultaneously if the ratio of its wheel distance to the height of its centroid, is μ ½μ 3μ 2μ TRUE ANSWER : ? YOUR ANSWER : ?
The moment of inertia of a circular lamina of diameter ‘d’, about an axis perpendicular to the plane of the lamina and passing through its centre, is π/64 (D⁴ + d⁴) πd⁴/16 πd⁴/32 πd⁴/24 TRUE ANSWER : ? YOUR ANSWER : ?
A ball is dropped from a height of 2.25 m on a smooth floor and rises to a height of 1.00 m after the bounce. The coefficient of restitution between the ball and the floor is 0.44 0.57 0.67 0.33 TRUE ANSWER : ? YOUR ANSWER : ?
The velocity of a moving body, is A constant quantity A scalar quantity A vector quantity None of these TRUE ANSWER : ? YOUR ANSWER : ?
The following is in unstable equilibrium A uniform solid cone resting on a generator on a smooth horizontal plane A uniform solid cone resting on its base on a horizontal plane A solid cube resting on one edge A satellite encircling the earth TRUE ANSWER : ? YOUR ANSWER : ?
A cable loaded with 10 kN/m of span is stretched between supports in the same horizontal line 100 m apart. If the central dip is 10 m, then the maximum and minimum pull in the cable respectively are 1436.2 kN and 1250 kN 1346.3 kN and 1250 kN 1436.2 kN and 1500 kN 1346.3 kN and 1500 kN TRUE ANSWER : ? YOUR ANSWER : ?
A body is said to move with Simple Harmonic Motion if its acceleration, is Proportional to the square of the distance from the point of reference Proportional to the distance from the point of reference and directed towards it Always directed away from the centre, the point of reference Inversely proportion to the distance from the point of reference TRUE ANSWER : ? YOUR ANSWER : ?