# Force, Mass and Acceleration

1. Aug 26, 2010

### Matt 20 1

1. Aim: To examine the relationship between the net force acting on a system, the mass of the system and its acceleration.

Method:
1. Use an electronic scale to measure the mass of a trolley.
2. Set up the trolley as shown below and measure the length that the trolley travels before dropping. (Trolley on table connected to a 1kg mass hanging over the edge. String connecting the two on a pulley).
3. Time how long it takes for the trolley to fall. Do this three times. (0.62m)
4. Place a 1kg mass on the trolley and time how long it takes to fall
5. Repeat, using a 2kg mass, and then a 3kg mass

Mass (kg) Time (sec)
Trial 1 Trial 2 Trial 3 Average
0.780 0.25 0.29 0.30 0.28

1.780 0.36 0.40 0.40 0.39

2.780 0.43 0.43 0.51 0.46

3.780 0.59 0.66 0.49 0.57

I'm really not sure of any equations or how to find a solution. What I need help to learn is how to figure out the force of the system

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