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0 votes	769 views	1 answer	The motion of a particle is described by the relation x = t2- 10t + 30, where x is in metres and t in seconds. The total distance travelled by the particle from t = 0 to t = 10 seconds would be updated 9 years ago by Civil Engineer
0 votes	769 views	1 answer	The resultant of two forces acting at right angles is 5 kgf and if they act at an angle of 60°, it is 37 kgf. The magnitudes of the forces are : updated 9 years ago by Civil Engineer
0 votes	773 views	1 answer	The angle of friction is : updated 9 years ago by Civil Engineer
0 votes	767 views	1 answer	A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The velocity ratio of the lifting machine is updated 9 years ago by Civil Engineer
0 votes	1292 views	2 answers	If a particle is projected inside a horizontal tunnel which is 554 cm high with a velocity of 60 m per sec, the angle of projection for maximum range, is updated 9 years ago by Civil Engineer
0 votes	1755 views	1 answer	A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from one end where a weight of 120 kg is suspended. The required force acting at the end in a direction perpendicular to rod to keep it equilibrium, at an inclination 60° with horizontal, is updated 9 years ago by Civil Engineer
0 votes	1706 views	1 answer	The C.G. of a right circular cone lies on its axis of symmetry at a height of updated 9 years ago by Civil Engineer
0 votes	1035 views	1 answer	Two forces act an angle of 120°. If the greater force is 50 kg and their resultant is perpendicular to the smaller force, the smaller force is updated 9 years ago by Civil Engineer
0 votes	785 views	1 answer	A string of length 90 cm is fastened to two points A and B at the same level 60 cm apart. A ring weighing 120 g is slided on the string. A horizontal force P is applied to the ring such that it is in equilibrium vertically below B. The value of P is : updated 9 years ago by Civil Engineer
0 votes	768 views	1 answer	A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is updated 9 years ago by Civil Engineer