m.ω².r sinθ

m.ω².r cosθ

m.ω².r (sin 2θ/n)

m.ω².r (cos 2θ/n)

**A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the…****In under damped vibrating system, if x₁ and x₂ are the successive values of the amplitude…****The instantaneous centres which vary with the configuration of mechanism are called****Which is the false statement about the properties of instantaneous centre?****The amplitude of vibration is always __________ the radius of the circle.****A kinematic chain is known as a mechanism when****The partial balancing means****The pitching of a ship produces forces on the bearings which act __________ to the motion of the ship.****If some links are connected such that motion between them can take place in more than one direction,…****The primary unbalanced force is maximum _________ in one revolution of the crank.****In a disc clutch, if there are n₁ number of discs on the driving shaft and n₂ number of…****When two pulleys are connected by means of a cross belt drive, then both the pulleys will rotate in…****Kinematic pairs are those which have****Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of an open…****The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction)****The swaying couple is due to the****In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and…****A rotary internal combustion engine has __________ cylinders.****Pitch point on a cam is****The component of the acceleration, perpendicular to the velocity of the particle, at the given instant…****The pressure angle of a cam depends upon****In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is Constant, then****In a hydrodynamic journal bearing, there is****When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio…****The acceleration of a flat-faced follower when it has contact with the flank of a circular arc cam,…****The dedendum circle diameter is equal to (where, φ = Pressure angle)****The moment on the pulley which produces rotation is called****When one of the links of a kinematic chain is fixed, the chain is known as a****In a four bar chain or quadric cycle chain****The cam and follower is an example of**