Q. The following factor affects the orbit of a satellite up to an altitude of 720 km from the earth's surface

View solution

Q. Newton's law of Collision of elastic bodies states that when two moving bodies collide each other, their velocity of separation

View solution

Q. Two forces of 6 Newtons and 8 Newtons which are acting at right angles to each other, will have a resultant of

View solution

Q. A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height of 100 m, is

View solution

Q. For maximum range of a projectile, the angle of projection should be

View solution

Q. A particle moves with a velocity of 2 m/sec in a straight line with a negative acceleration of 0.1 m/sec². Time required to traverse a distance of 1.5 m, is

View solution

Q. 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

View solution

Q. The angle of friction is :

View solution

Q. 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 :

View solution

Q. 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

View solution

Q. Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and

View solution

Q. For perfectly elastic bodies, the value of coefficient of restitution is

View solution

Q. A trolley wire weighs 1 kg per metre length. The ends of the wire are attached to two poles 20 m apart. If the horizontal tension is 1000 kg, the central dip of the cable is

View solution

Q. Principle of Transmissibility of Forces states that, when a force acts upon a body, its effect is

View solution

Q. 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

View solution

Q. If the linear velocity of a point on the rim of a wheel of 10 m diameter, is 50 m/sec, its angular velocity will be

View solution

Q. The acceleration of a train starting from rest at any instant is 1/6(V+1) m/sec² where V is the velocity of the train in m/sec. The train will attain a velocity of 36 km/hour after travelling a distance of

View solution

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

View solution

Q. Newtons's Law of Motion is :

View solution

Q. The equation of motion of a particle starting from rest along a straight line is x = t³ - 3l² + 5. The ratio of the velocities after 5 sec and 3 sec will be

View solution