- #1
kolycholy
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Ok, I don't get this, when a sphere moves over a frictionless surface tilted downward so getting accelerated, does roll or slide?
Sliding is the motion of an object moving along a surface without any rotation, while rolling is the motion of an object rotating as it moves along a surface.
Friction is a force that resists motion between two surfaces in contact. It can either help or hinder sliding and rolling, depending on the type of friction present. In sliding, friction can slow down or stop the object's motion, while in rolling, friction can help the object maintain its motion.
Yes, an object can slide and roll at the same time if it is on an inclined surface. The object will be rolling due to its rotation, but also sliding due to the force of gravity pulling it down the incline.
The presence of friction can decrease the speed of an object sliding or rolling. Friction converts some of the object's kinetic energy into heat, causing it to slow down.
The surface can greatly affect sliding and rolling with and without friction. Smooth surfaces with little friction, such as ice, allow for easier sliding and rolling, while rough surfaces with higher friction, such as sand, make it harder for an object to slide or roll. Additionally, some surfaces may have more or less friction depending on factors such as moisture or texture.