MCQOPTIONS
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MCQOPTIONS
| 1. |
The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω1 rad/s in the clockwise direction and the link OB turns with angular velocity ω2 rad/s in the anti-clockwise direction, then the rubbing velocity at the pin joint O is$ |
| A. | ω<sub>1</sub>.ω<sub>2</sub>.r |
| B. | (ω<sub>1</sub>-ω<sub>2</sub>)r |
| C. | (ω<sub>1</sub>+ω<sub>2</sub>)r |
| D. | (ω<sub>1</sub>-ω<sub>2</sub>)2r |
| Answer» D. (‚âà√¨‚àö¬¢<sub>1</sub>-‚âà√¨‚àö¬¢<sub>2</sub>)2r | |