Related Questions

A point B on a rigid link AB moves with respect to A with angular velocity $$\omega $$ rad/s. The total acceleration of B with respect to A will be equal to
A Vector sum of radial component and Coriolis component
B Vector sum of tangential component and Coriolis component
C Vector sum of radial component and tangential component
D Vector difference of radial component and tangential component
A disc is a spinning with an angular velocity $$\omega $$ rad/s about the axis of spin. The couple applied to the disc causing precession will be (where $$I$$ = Mass moment of inertia of the disc and $$\omega {\text{P}}$$  = Angular velocity of precession of the axis of spin)
A $$\frac{1}{2}I{\omega ^2}$$
B $$I{\omega ^2}$$
C $$\frac{1}{2}I\omega \omega {\text{P}}$$
D $$I\omega \omega {\text{P}}$$
A slider moves at a velocity $${\text{v}}$$ on a link revolving at $$\omega $$ rad/s. The coriolis component of acceleration is
A $$\omega {\text{v}}$$
B $$2\omega {\text{v}}$$
C $${\omega ^2}{\text{v}}$$
D $$2\omega {{\text{v}}^2}$$
When a point at the end of a link moves with constant angular velocity, its acceleration will have
A radial component only
B tangential component only
C coriolis component only
D radial and tangential components both
2.4 omega এবং 3.8 omega তিনটি রোধক 54 V ব্যাটারির সাথে সিরিজ সংযোগ করা আছে। ব্যাটারি অভ্যন্তরীণ রোধ না থাকলে 3.6 omega রোধকের দুই প্রান্তে বিভব পার্থক্য কত?
A 6V
B 12 V
C 20 V
D 24 V
The direction of linear velocity of any point on a link with respect to another point on the same link is
A parallel to the link joining the points
B perpendicular to the link joining the points
C at 450 to the link joining the points
D none of the mentioned
The acceleration of a particle at any instant has two components i.e. radial component and tangential component. These two components will be
A Parallel to each other
B Perpendicular to each other
C Inclined at 45°
D Opposite to each other
The velocity of piston in a reciprocating steam engine is given by (where $$\omega $$ = Angular velocity of crank, r = Radius of crank pin circle, $$\theta $$ = Angle turned by crank from inner dead center and n = Ratio of length of connecting rod to the radius of crank)
A $$\omega {\text{r}}\left( {\sin \theta + \frac{{\sin 2\theta }}{{\text{n}}}} \right)$$
B $$\omega {\text{r}}\left( {\cos\theta + \frac{{\cos2\theta }}{{\text{n}}}} \right)$$
C $${\omega ^2}{\text{r}}\left( {\sin \theta + \frac{{\sin 2\theta }}{{\text{n}}}} \right)$$
D $${\omega ^2}{\text{r}}\left( {\cos\theta + \frac{{\cos2\theta }}{{\text{n}}}} \right)$$
The velocity of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by (where $$\omega $$ = Angular velocity of the cam shaft)
A $$\omega \left( {{{\text{r}}_1}{{\text{r}}_2}} \right)\sin \theta $$
B $$\omega \left( {{{\text{r}}_1} + {{\text{r}}_2}} \right)\sin \theta \sec 2\theta $$
C $$\omega \left( {{{\text{r}}_1}{{\text{r}}_2}} \right)\cos \theta $$
D $$\omega \left( {{{\text{r}}_1} + {{\text{r}}_2}} \right)\cos \theta \,{\text{cosec2}}\theta $$
In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is
A equal to sum of other two
B greater than sum of other two
C less than sum of other two
D none of the mentioned

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