A. P/2 cos 9/2
B. IP sin 9/2
C. 2P tan 9/2
D. IP cos 9/2
E. Psin 9/2
Correct Answer: IP cos 9/2 ✔
Last Updated: January 25, 2019
Related MCQs
- The unit of work or energy in S.I. units is__________?
- Which of the following is not the unit of pressure ?
- The forces, which meet at one point, but their lines of action do not lie in a plane, are called__________?
- Which of the following is not a scalar quantity__________?
- The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are__________?
- Two non-collinear parallel equal forces acting in opposite direction__________?
- According to law of triangle of forces__________?
- According to principle of moments__________?
- If a rigid body is in equilibrium under the action of three forces, then__________?
- A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if__________?
- Two coplanar couples having equal and op-posite moments__________?
- The product of either force of couple with the arm of the couple is called__________?
- The center of gravity of a uniform lamina lies at__________?
- Center of percussion is__________?
- The units of moment of inertia of an area are__________?
- The center of gravity of a triangle lies at the point of__________?
- The possible loading in various members of framed structures are__________?
- 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__________?
- Pick up the incorrect statement from the following __________?
- In the equation of virtual work, following force is neglected__________?
- The resultant of the following three couples 20 kg force, 0.5 m arm, $ ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be__________?
- The coefficient of friction depends on__________?
- The ratio of limiting friction and normal reaction is known as__________?
- On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be__________?
- Frictional force encountered after commencement of motion is called__________?
- Pick up wrong statement about friction force for dry surfaces. Friction force is__________?
- 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__________?
- Tangent of angle of friction is equal to__________?
- The effort required to lift a load W on a screw jack with helix angle a and angle of friction <j) is equal to__________?
- A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of__________?
- A single force and a couple acting in the same plane upon a rigid body__________?
- The maximum frictional force which comes into play when a body just begins to slide over another surface is called__________?
- The necessary condition for forces to be in equilibrium is that these should be__________?
- 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__________?
- 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__________?
- A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly__________?
- The C.G. of a solid hemisphere lies on the central radius 3r__________?
- The C.G. of a right circular solid cone of height h lies at the following distance from the base__________?
- Which of the following is the example of lever of first order__________?
- In actual machines__________?
- In ideal machines__________?
- 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__________?
- A pair of smith’s tongs is an example of the lever of__________?
- 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 C.G. of a plane lamina will not be at its geometrical centre in the case of a__________?
- 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__________?
- If three forces acting in different planes can be represented by a triangle, these will be in__________?