Lannie
Oct5-04, 10:37 PM
This problem seemed very straightforward but I've somehow missed something...
Three blocks (M1, M2, M3) are in contact with each other on a frictionless, horizontal surface. A horizontal force is applied to M1.
If M1= 1.67kg, M2= 2.67kg, M3= 3.78kg, and F= 16.1 N:
a) what is the magnitude of the contact force between blocks 1 and 2
b) what is the magnitude of the contact force between blocks 2 and 3
I used the formula P=(M2/M1+M2) x F to find these contact forces, but the answers I got were not correct.
for a) I calculated P= (2.67/1.67+2.67) x 16.1
and for b) I calculated P= (3.78/2.67+3.78) x 16.1
This seemed like it should lead to the right answer, but it didn't work. Anyone know what I've done wrong???
Three blocks (M1, M2, M3) are in contact with each other on a frictionless, horizontal surface. A horizontal force is applied to M1.
If M1= 1.67kg, M2= 2.67kg, M3= 3.78kg, and F= 16.1 N:
a) what is the magnitude of the contact force between blocks 1 and 2
b) what is the magnitude of the contact force between blocks 2 and 3
I used the formula P=(M2/M1+M2) x F to find these contact forces, but the answers I got were not correct.
for a) I calculated P= (2.67/1.67+2.67) x 16.1
and for b) I calculated P= (3.78/2.67+3.78) x 16.1
This seemed like it should lead to the right answer, but it didn't work. Anyone know what I've done wrong???