A horizontal force F pushes a 4 kg block (A) which pushes against a 2 kg block (B) as shown. The blocks have an acceleration of 3m//s^(2) to the right. There is no friction between the blocks and the surfaces on which they slide. What is the net force B exerts on A ?

A horizontal force F pushes a 4 kg block (A) which pushes against a 2

1.	A horizontal force F pushes a 4 kg block (A) which pushes against a 2 kg block (B) as shown. The blocks have an acceleration of 3m//s^(2) to the right. There is no friction between the blocks and the surfaces on which they slide. What is the net force B exerts on A ?
Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/6n-332098" style="font-weight:bold;" target="_blank" title="Click to know more about 6N">6N</a> to the right<br/>12 <a href="https://interviewquestions.tuteehub.com/tag/n-568463" style="font-weight:bold;" target="_blank" title="Click to know more about N">N</a> to the right<br/>6 N to the left<br/>12 N to the left</p>Solution :`F=ma, F_("<a href="https://interviewquestions.tuteehub.com/tag/net-5194" style="font-weight:bold;" target="_blank" title="Click to know more about NET">NET</a>")=F-f, f=ma` <br/> `a=(T_(3))/(m_(1)+m_(<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>)+m_(3)), T_(2)=(m_(1)+m_(2))a`</body></html>