If a number of coplaner forces acting at a point be in equilibrium, the sum of clockwise moments must be __________ the sum of anticlockwise moments, about any point.
Options
A. equal to
B. less than
C. greater than
Correct Answer
equal to
More questions
1. The neutral axis of a transverse section of a beam passes through the centre of gravity of the section and is
Options
A. in the vertical plane
B. in the horizontal plane
C. in the same plane in which the beam bends
D. at right angle to the plane in which the beam bends
6. The discharge of a double acting reciprocating pump is (where L = Length of stroke, A = Cross-sectional area of piston, and N = Speed of crank in r.p.m.)
7. The torque required to overcome viscous resistance of a footstep bearing is (where ? = Viscosity of the oil, N = Speed of the shaft, R = Radius of the shaft, and t = Thickness of the oil film)
10. The polygon law of forces states that if a number of forces, acting simultaneously on a particle, be represented in magnitude and direction by the sides a polygon taken in order, then their resultant is represented in magnitude and direction by the closing side of the polygon, taken in opposite direction.