Back to category: Science

Limited version - please login or register to view the entire paper.

What affects the speed of a trolley down a ramp?

What affects the speed of a trolley down a ramp?
Skill Area P: Planning experimental procedures
Introduction
A trolley is pushed to the top of a ramp, the summit being 20cm from the ground, and then is released. It rolls all the way down the ramp, of 1 metre, before it come in contact with a carpet at the bottom. A couple of keen scientists thought it would be interesting to record the time taken for the trolley to reach the bottom and then calculate its average speed. They let the trolley fall down the ramp three times after that, just to make their results more accurate. They also wanted to investigate if the height of the summit made any difference to the average speed, so they raised the ramp to 30 and pushed the trolley down the ramp again and recorded the time.

Basically I have been asked to act as the two enthusiastic experts and test, as a primary objective, to see if the height of the summit affects the average speed at which the trolley travels down the ramp.

Base...

Posted by: Shelia Olander

Limited version - please login or register to view the entire paper.