Question

(F in)/(A in)=(F out)/(A out)

Answer 1

Answer:

Explanation:

F  

net

​

=24−12

            =12N

∴a=  

M

12

​

=  

(6+4+2)

12

​

=1m/s  

2

 

=24−F  

1

​

=2×a

F  

1

​

=22

F  

1

​

−F  

2

​

=4a

22−F  

2

​

=4

F  

2

​

=18N

solution