MCQs 1: If a body is lying on a plane whose inclination with the horizontal is less than the angle of friction, then___________________?
1) a force is required to move the body upwards
2) a force is required to move the body downward
3) the body will not be in equilibrium
The correct answer is?

MCQs 2: A ladder of weight ‘w’ rests against a smooth vertical wall, and rests on rough horizontal ground, the coefficient of friction between the ladder and the ground being 1/4. The maximum angle of inclination of the ladder to the vertical, if a man of weight ‘w’ is to walk to the top of it safely, is tan’1 x, where x is___________________?

MCQs 3: The shape of a suspended cable for a uniformly distributed load over it is__________________?

MCQs 4: A light rope is loaded with many equal weights at equal horizontal intervals. The points of suspension on the rope lie on a_____________________?

MCQs 5: A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is___________________?

MCQs 6: A ball is dropped from a height of 16 m on a horizontal floor. If it rebounds to a height of 9 m after striking the floor, the coefficient of restitution between ball and floor is_____________________?

MCQs 7: When a body slides down an inclined surface, the acceleration of the body is given by__________________?

MCQs 8: A shell travelling with a horizontal velocity of 100 m/sec explodes and splits into two parts, one of mass 10 kg and the other of 15 kg. The 15 kg mass drops vertically downward with initial velocity of 100 m/sec and the 10 kg mass begins to travel at an angle to the horizontal of tan”1 x, where x is______________________?

MCQs 9: A shell of mass 100 kg travelling with a velocity of 10 m/sec breaks into two equal pieces during an explosion which provides an extra kinetic energy of 20000 Joules. If the pieces continue to move in the same direction as before, then the speed of the faster one must be____________________?

MCQs 10: Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction. The speeds of the objects are____________________?

MCQs 11: The angular speed of a car taking a circular turn of radius 100 m at 36 km/hr will be___________________?

MCQs 12: The condilion for a lifting machine to be reversible is that its efficiency should be_________________?

MCQs 13: In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is_____________________?

MCQs 14: A system of copianar forces acting on a rigid body can be reduced to________________?

MCQs 15: Force polygon method is applicable for_____________________?

MCQs 16: The diagram showing the point of application and line of action of forces in their plane is called____________________?

MCQs 17: The bending moment in an arch is proportional to___________________?

MCQs 18: An ordinate in a funicular polygon represents__________________?

MCQs 19: In which of the following trusses, the method of substitution is required for determining the forces in all the members of the truss by graphic statics ?

MCQs 20: The number of funicular polygons which can be drawn to pass through two specified points in the space diagram are__________________?