Question

please ans the abovequestion. It is urgent. No unwanted ans. please​

Answer 1

Net acceleration, a =

$a = \frac{F}{m_1 + m_2 + m_3}$

Each block in the system is moving with this acceleration.

a₁ = a₂ = a₃ = a

Let contact force between A and B be F1

F - F₁ = m₁a

F₁ = F-m₁a

$F_1 = F - \frac{m_{1}F}{m_{1} + m_{2} + m{3}}\\\\F_1 = \frac{(m_2 + m_3)F}{m_1 +m_2 + m_3}$

$F_1 = \frac{Fm_1}{m_1 + m_2 + m_3}\\\\F_2 = \frac{Fm_2}{m_1 + m_2 + m_3}\\\\F_3 = \frac{Fm_3}{m_1 + m_2 + m_3}$