What is the force on the 40 g mass? * 1 point
0.4 N
0.04 N
4.0 N
400 N The mass is 40g the spring orginal length is 60 cm and the final spring length is 61.0 cm​

I uploaded the answer to a file hosting. Here's link:

tinyurl.com/wtjfavyw

i think the answer is a, hope this is right, that would be my best guess.

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this