Minggu, 29 Januari 2012

Rumus IPA SMP

Rumus Gaya



       W = M . G



Keterangan: W = Berat Benda (N)

                      
                       M = Massa Benda (Kg)

                       
                       G  = Percakapan Gravitasi (m/s2)



Rumus Hukum Newton



       F = M . A



Keterangan: F  = Gaya (N)

                  
                      M = Massa (Kg)

                  
                       A = Percepatan (m/s)

Rumus Usaha




      W = F . S





Keterangan: W= Usaha (J)

                    
                       F = Gaya (N)


                       S = Perpindahan (m)




Rumus Daya




       P = W


               T


Keterangan: P  = Daya (Watt)

                  
                      W = Usaha (J)

                   
                       T = Waktu (s)



Rumus Tekanan Zat Padat




      P = F
           
             A




Keterangan: P = Tekanan (Pa)

                   
                       F = Gaya/Berat (N)

                   
                       A =Luas Bidang Tekan (m2)



Rumus Tekanan Zat Cair




       Ph = p . g . h



       Ph = s . h



Keterangan: Ph = Tekanan Zat Cair (Pa)

                     
                       P   = Massa Jenis Zat Cair (Kg/m3)

                     
                       G   = Percepatan (m/s2)

                     
                       H  = Kedalaman (m)



Rumus Hukum Pascal




       F1  =  F2



       A1      A2



Rumus Bejana




       p1 . h1 = p2 . h2



Rumus Hukum Archemedes




       Fa = p . v . g




       Fa = s . v



Keterangan: Fa = Besar Gaya Keatas (N)

                    
                       p   = Massa Jenis Zat Cair (Kg/m3)

                    
                       V  = Volume Zat Cair (m3)

                     
                        g  = Besar Percepatan (m/s2)



Rumus Getaran

 

  F  = n

          t



Keterangan: F = Frekuensi (Hz)

                   
                       n = Getaran (Kali)

                   
                       t  = Waktu (s)



Rumus Gelombang




       V = Lambda (λ)


                   t




       V = f . Lambda (λ)



Keterangan: V            = Kecepatan Persmbst Gelombang (m/s)

                  
                      Lambda = Panjang Gelombang (m)

                   
                       f             = Frekuensi getaran (Hz)

                   
                       t             = Periode Getaran (s)



Rumus Bunyi




       V= s


             t



Keterangan: V = Cepat Rambat Bunyi (m/s)

                   
                       s  = Jarak (m)

                   
                       t  = Waktu (s)



Rumus Frekuensi Bunyi




        F =       V     


               Lambda (λ)




        V = F . Lambda (λ)



Keterangan: F              = Frekuensi (Hz)

                   
                       V             = Kecepatan (m/s)

                    
                       Lambda = Gelombang (m)


Reaksi:

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