Question

7.
Two blocks of masses, 40 kg and 60 kg are connected with a light string as shown in the figure.
The system is being pulled along a smooth horizontal surface by two horizontal forces of 100N
and F. If acceleration of the system is 0.8 m/s2 toward right, then magnitude of F
equal to
(1)40 N
(2)60 N
(3)180 N
(4)9O N
​

Answer 1

Answer:

180 is the correct answer