Question

Tolongin nomor 31 & 32

Answer 1

31)  Is Know
      F = 75 N
      m = 10 kg
      Asked
      a....?
      Answer
      F = ma
      a = F/m
      a = 75/10
      a = 7.5 m/s²

32)  Is know 
      F₁ = 10 N
      F₂ = 15 N
      Asked
      m..?
      Answer
      R = F₁ - F₂
      R = 10 - 15
      R = -5 N
      R = 5 to left
      F = ma
      5 = m x 2,5
     m = 5/2,5
     m = 2,0 kg

So,
31)  B
32)  B