Experiment #1

(YOU MUST LOOK AT THIS POST IN PREVIEW MODE)

 Experiment # 1


Inquiry Question : How much torque can my motor create

Hypothesis : A little (0.05 - 0.1N)


Materials: 

Electric Motor x 1

Paper clips x 10


Method :

1. Attach string to motor

2. Add paper clip

3. Turn on motor

4. see if motor stops

5. Repeat steps 2- 4 until motor stops

Force in opposition to motor (0.5 = friction coefficient of wood)

Torque (N) (0.5*m)Mass (kg)
0.00050.001
0.0010.002
0.00150.003
0.0020.004
0.00250.005
0.0030.006
0.00350.007
0.0040.008
0.00450.009
0.0050.01




                                                                     (Show of torque mass relationship via a graph)















Results : The motor stopped at the force of 0.005 meaning the torque of the motor was in the range of 0.0045 - 0.005 newton-metres

Discussion : The experiment could've been more accurate if I had a more accurate reading of the n/m (such as if I had gone into more in depth weight.) I also could have weighed each paperclip individually or had a more accurate scale to weigh the paperclip as accurately as possible and get the mass of the string. I also could have measured the friction of the wood to metal I was using, rather than using a previously found statistic. For this experiment, i used the formula t = µ*m

Resources:

https://whatthingsweigh.com/how-much-does-a-paperclip-weigh/ 

https://link.springer.com/article/10.1007/BF00394962?noAccess=true
 

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