# The Effects on a Ball Rolling Down a Ramp

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The Effects on a Ball Rolling Down a Ramp

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Aim:

I am trying to find out what factors effect the distance a ball rollswhen released from the top of a ramp.

Variables

Input/Control

Outcome

Units

Height of Ball from the ground

Height of Ramp

Distance ball rolls

Centimeters (cm)

Length of Ramp

Speed ball rolls

Surface of Ramp

Direction ball rolls

Surface of Floor

Weight of Marble

Size of Marble

Surface of Marble

Variables:

The height of the ramp will change the speed and distance the ballrolls because when the ramp is higher, the ball will be higher. Thehigher the ball is the more gravitational potential energy it has;therefore more energy will be transferred to kinetic energy. When thelength of the ramp is changed, so is its gradient, therefore the ballwill roll quicker and further. The surface of the ramp can causefriction on the ball; therefore kinetic energy is lost, so the ballslows down. Different surfaces of ramp will change the speed of theball and therefore also the distance it rolls. When the ball hasrolled off the ramp it will continue to roll on the floor, differentsurfaces of floor will result in different amounts of friction,changing the speed of the ball, and distance it rolls. The weight ofthe Marble will affect the distance it roll and also the speed atwhich it rolls at. This is because the heavier an object is the moregravitation potential energy it could have if it was lifted. The sizeof the marble may also be proportional to the weight, it will alsocause more friction because there will be more surface area of theramp touching the marble, this will slow it down and decrease itsrolling distance. The surface of the marble will cause friction withthe ramp and floor; different surfaces will cause different amounts of

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