MCQOPTIONS
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| 1. |
The given figure shows a ball rolling down an inclined plane. The direction of motion of the ball is represented by arrow I. Arrows II and III respectively represent the directions of |
| A. | Rolling frictional force and gravitational force |
| B. | Gravitational force and normal reaction |
| C. | Rolling frictional force and air friction |
| D. | Air friction and normal reaction |
| Answer» D. Air friction and normal reaction | |