
Grade 12Algebra
A body is placed on a rough inclined plane of inclination θ. As the angle θ is increased from 0° to 90° the contact force between the block and the plane.
(1) remains constant (2) first remains constant then decreases (3) first decreases then increases (4) first increases then decreases
| A body is placed on a rough inclined plane of inclination θ. As the angle θ is increased from 0° to 90° the contact force between the block and the plane. |
| (1) | remains constant |
| (2) | first remains constant then decreases |
| (3) | first decreases then increases |
| (4) | first increases then decreases |




