MCQOPTIONS
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| 1. |
A vehicle is moving up on an inclined plane. The vehicle has rear-wheel drive. Force of friction on the rear wheels will be in a direction |
| A. | along the plane but backward |
| B. | backward at an angle φ with the plane, where φ is the friction angle |
| C. | along the plane but forward |
| D. | forward at an angle φ with the plane, where φ is the friction angle |
| Answer» D. forward at an angle œÜ with the plane, where œÜ is the friction angle | |