Hypothesis- You would have to use more washers to make 200g move.
Washer 1= Cart did not move
Washer 2= Cart did not move
Washer 3= Cart did not move
Washer 4= Cart did not move
Washer 5= Cart did not move
Washer 6= Cart did not move
Washer 7= Cart moved towards the metal rod.200g took more force to make the cart accelerate.
Yes, the hypothesis was correct because the cart moved with 7 washers with 200g and the 100g cart started to accelerate with only 4.
Yes, the cart is proportional to the rate of mass,as stated in Newton's second law
pic=coming soon
Friday, May 09, 2008
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