The block remains at rest on a slope due to the balance of forces acting on it. The downward force of gravity is counteracted by the normal force from the surface of the slope, as well as the frictional force between the block and the slope.
The steeper the slope angle, the greater the force of gravity pulling the block downwards. This increases the normal force required to balance it, making it more difficult for the block to remain at rest.
No, a block cannot remain at rest on a frictionless slope. Without friction, there is no opposing force to balance the downward force of gravity, causing the block to slide down the slope.
Surface roughness plays a crucial role in keeping a block at rest on a slope. A rough surface provides more friction, which helps to increase the normal force and prevent the block from sliding down the slope.
The mass of the block does not directly affect its stability on a slope. However, a more massive block will have a greater downward force of gravity, requiring a larger normal force and more friction to keep it at rest on the slope.
