Resposta :
V = Vo + at
10 = 0 + a*10
*************
a = 1m/s²
*************
Fr = m * a
Fr = 70 * 1
***********
Fr = 70N
***********
10 = 0 + a*10
*************
a = 1m/s²
*************
Fr = m * a
Fr = 70 * 1
***********
Fr = 70N
***********