acceleration resultant force practical

Question 1

what is the first step

Answer 1

on a table, place a trolley (record its mass) to a piece of string with a a mass attached to it hanging of the end of the table separated by a pulley.

Question 2

what is the second step

Answer 2

draw measurements on the desk with chalk up in cm using a metre rule. using a stop clock start the timer and release the mass. record what time the trolley passes these chalk lines.

Question 3

repeat steps two and three with different masses on the end

Answer 3

workout acceleration using s=d/t and time the time it took to get to the end of the chalk lines.

Question 4

extra information

Answer 4

to make it a fair test, have the same person release the car and start the stop clock.
keep the trolley the same