Investigating Motion

Question 1

How do you do a practical with a trolley on a ramp?

Answer 1

1. Mass of equipment, length of card, set up
   2.adjust change height until the trolley just starts to move
2. Mark a line this makes it a fair test. And a equal experiment
   4.put the string on the mass then let go
3. Light gate will record the time. Use the equation
   Initial speeds
   Final speed
   Time it takes

Question 2

What are some sources of human error?

Answer 2

Different reaction times

To fix this you need to use a stopwatch and a rolling tape