You have distribute the 5 into the 2 which is 10w +15 +30w.
Answer:

Step-by-step explanation:
m = Masa del bloque = 18 kg
F = Fuerza en el bloque = 300 N
= Coeficiente de fricción = 0.6
El equilibrio de fuerzas del sistema viene dado por

La aceleración del bloque es
.
Answer:
Yes
Step-by-step explanation:
But if you stuck a pencil through the center of the picture the line that it makes would not be coplanar.
4x + 25 + x - 15
5x + 10
/ 5 / 5
x = 2
Refer Back To The First Problem To Solve The Second One, You Are Doing Great!