The steeper the ramp, the faster the object will accelerate down it. This is because there is a greater component of the object's weight acting parallel to the ramp, resulting in a greater force pushing the object down.
The greater the mass of an object, the slower its acceleration down a ramp. This is due to the fact that a larger mass requires a greater force to accelerate, and the force acting down the ramp remains constant.
Friction between the object and the ramp will slow down the object's acceleration. This is because friction acts in the opposite direction of motion, creating a force that counteracts the object's movement down the ramp.
Yes, the type of surface will affect the amount of friction between the object and the ramp, which in turn will affect the motion down the ramp. A rougher surface will create more friction and slow down the object's acceleration, while a smoother surface will create less friction and allow for a faster acceleration.
The longer the ramp, the more time the object has to accelerate. This means that a longer ramp will result in a greater speed at the bottom of the ramp compared to a shorter ramp. However, the angle of the ramp will also play a role in the object's acceleration, so the length alone does not determine the speed of the object down the ramp.