An Investigation To Find Out What Affects The Stopping Distance Of A Toy Car
Introduction:
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We are going to investigate how changing the height of the starting
position of the car of the ramp affects the stopping distance of the
toy car.
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Variables:
Things we could change to affect the stopping distance -
* Gradient of ramp
* Speed
* Counter forces
* Mass of car
* Starting position of car on ramp
Dependant Variable:
We will investigate a change in the starting position of the car on
the ramp.
Apparatus:
· A ramp
· A toy car
· 3 or 4 metre rulers (depending on the distance the car travels)
· Clamp stand (to support the ramp)
Fair Test:
To make our test fair there are several things that we will have to
keep the same:
· The same toy car must be used each time
· The ramp must stay at the same height
· The same ramp must be used
· The distance must be measured in the same units (e.g. cm)
Diagram:
Safety: In an experiment like this there aren't many safety
precautions to take as nothing dangerous is being used but the ramps
could easily be tripped over and cause injuries - to ensure this
doesn't happen people must act sensibly.
Method:
· Set up the apparatus as it is show in the diagram
· Make sure the ramp is marked at every 10cm from the bottom of the
ramp
· Start the toy car from behind the 10cm mark on the ramp, let it roll
down the ramp and measure the distance it travels with the rulers. If
it doesn't travel in a straight line (or fairly straight direction) do
this again.
· Repeat this twice so you have three different results
· Do the same thing every 10cm up the ramp until 90cm three times each
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* I will then use a small pile of books and set the ramp up at the
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