A. 20 kg, – ve sense
B. 20 kg, + ve sense
C. 10 kg, + ve sense
D. 10 kg, – ve sense
E. 45 kg, + ve sense
Correct Answer: 20 kg, – ve sense ✔
Last Updated: January 25, 2019
Related MCQs
- Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction__________?
- In the equation of virtual work, following force is neglected__________?
- A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span__________?
- The center of percussion of a solid cylinder of radius r resting on a horizontal plane will be__________?
- From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the center of circular plate__________?
- A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve __________?
- The units of moment of inertia of mass are __________?
- Center of gravity of a thin hollow cone lies on the axis at a height of __________?
- The center of percussion of the homogeneous rod of length L suspended at the top will be__________?
- Center of gravity of a solid cone lies on the axis at the height __________?
- The units of moment of inertia of an area are__________?
- Center of percussion is__________?
- The center of gravity of a uniform lamina lies at__________?
- The product of either force of couple with the arm of the couple is called__________?
- According to Lami’s theorem__________?
- D’ Alembert’s principle is used for__________?
- According to law of triangle of forces __________ ?
- Which of the following is a vector quantity__________?
- The forces, which meet at one point, but their lines of action do not lie in a plane, are called__________?
- Two non-collinear parallel equal forces acting in opposite direction__________?
- Which of the following is not a vector quantity __________?
- A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if__________?
- If a rigid body is in equilibrium under the action of three forces, then __________?
- According to principle of moments__________?
- A number of forces acting at a point will be in equilibrium if__________?
- According to principle of transmissibility of forces, the effect of a force upon a body is__________?
- When trying to turn a key into a lock, following is applied __________?
- The weight of a body is due to __________?
- Friction force for dry surfaces. Friction force is__________?
- On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be__________?
- Coefficient of friction is the__________?
- A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to__________?
- If rain is falling in the opposite direction of the movement of a pedestrain, he has to hold his umbrella__________?
- A particle moves along a straight line such that distance (x) traversed in t seconds is given by x = t2 (t – 4), the acceleration of the particle will be given by the equation __________?
- A projectile is fired at an angle 9 to the vertical. Its horizontal range will be maximum when 9 is__________?
- Coulomb friction is the friction between __________?
- The effort required to lift a load W on a screw jack with helix angle a and angle of friction <j) is equal to __________?
- The maximum frictional force which comes into play when a body just begins to slide over another surface is called__________?
- A single force and a couple acting in the same plane upon a rigid body__________?
- The co-efficient of friction depends upon__________?
- If n = number of members andy = number of joints, then for a perfect frame, n =__________?
- A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to__________?
- A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly__________?
- Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one__________?
- The C.G. of a solid hemisphere lies on the central radius 3r__________?
- Which of the following is not the unit of energy__________?
- A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal__________?
- The C.G. of a right circular solid cone of height h lies at the following distance from the base__________?
- The C.G. of a plane lamina will not be at its geometrical centre in the case of a__________?
- The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is__________?
- The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of__________?