The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank)

Theory of Machine
The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank)

m.ω².r (cos 2θ/n)

m.ω².r sinθ

m.ω².r cosθ

m.ω².r (sin 2θ/n)

m.ω².r (cos 2θ/n)

m.ω².r sinθ

m.ω².r cosθ

m.ω².r (sin 2θ/n)

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Theory of Machine
The direction of Coriolis component of acceleration is the direction

Along tangential acceleration

Along perpendicular to angular velocity

Of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link

Along the centripetal acceleration

Along tangential acceleration

Along perpendicular to angular velocity

Of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link

Along the centripetal acceleration

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Theory of Machine
The equation of motion for a single degree of freedom system with viscous damping is 4(dx²/dt²) + 9(dx/dt) + 16x. The damping ratio of the system is

9/128

30195

44082

44090

9/128

30195

44082

44090

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Theory of Machine
In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO. The acceleration of the piston P with respect to the crank-pin C is given by

ω² × CN

ω² × CO

ω² × QN

ω² × NO

ω² × CN

ω² × CO

ω² × QN

ω² × NO

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Theory of Machine
In a ball bearing, ball and bearing forms a

Rolling pair

Spherical pair

Turning pair

Screw pair

Rolling pair

Spherical pair

Turning pair

Screw pair

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Theory of Machine
Sense of tangential acceleration of a link

Could be either same or opposite to velocity

Is opposite to that of velocity

Is same as that of velocity

Is perpendicular to that of velocity

Could be either same or opposite to velocity

Is opposite to that of velocity

Is same as that of velocity

Is perpendicular to that of velocity

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Theory of Machine

Theory of Machine The direction of Coriolis component of acceleration is the direction

Theory of Machine The equation of motion for a single degree of freedom system with viscous damping is 4(dx²/dt²) + 9(dx/dt) + 16x. The damping ratio of the system is

Theory of Machine In a ball bearing, ball and bearing forms a

Theory of Machine Sense of tangential acceleration of a link

Theory of Machine
The direction of Coriolis component of acceleration is the direction

Theory of Machine
The equation of motion for a single degree of freedom system with viscous damping is 4(dx²/dt²) + 9(dx/dt) + 16x. The damping ratio of the system is

Theory of Machine
In a ball bearing, ball and bearing forms a

Theory of Machine
Sense of tangential acceleration of a link