Friction is the resistance between two surfaces that are in contact with each other. It is a force that opposes motion and is caused by microscopic irregularities on the surface of objects.
Friction can have a significant impact on objects on a 65 degree hill. The steeper the hill, the greater the force of friction will be, which can slow down or even stop objects from sliding or rolling down the hill.
The type of surface can greatly affect the amount of friction on a 65 degree hill. Rough surfaces, such as gravel or sand, will have more friction than smooth surfaces, like a sheet of ice. This is because the irregularities on the surface can create more resistance.
No, friction can act in any direction depending on the orientation of the two surfaces in contact. For example, if an object is sliding down a 65 degree hill, the friction will act in the opposite direction of its motion. However, if the object is being pushed up the hill, friction will act in the same direction as the motion.
Yes, friction can be beneficial on a 65 degree hill in certain situations. For example, without friction, it would be very difficult for cars to drive up the hill as their tires would not have enough grip. Additionally, friction can help hikers and climbers to maintain their footing on steep inclines.