SPRING 2005

 

HOMOKINETICS II

ASSIGNMENT # 1 KEY

 

1. Wt=mag            Wt=mag              m=Wt           m=1352 N             m=137.82 kg 

                                 ag        ag                                  ag                           9.81 m/s2

 

2. F=ma                 F=2.5 kg x 40 m/s2           F= 100 N

 

3.  p=F             930 N x .37 =344.1 N       p=344.1 N       p=13.76 N/cm2

         A                                                             27 cm2

 

4.  Wt=mag      667.7 N x .37=267 N     Plant X Wt=344.1 N

 

      Wt=mag       m=Wt           m=667.7 N            Plant X & Plant Earth m=68.04 kg 

                                     ag                           9.81 m/s2