Homework Statement
Consider the wheel-and-axle system shown
below.
a
b
m1 m2
Which of the following expresses the con-
dition required for the system to be in static
equilibrium?
1. b2m1 = a2m2
2. a2m1 = b2m2
3. am2 = bm1
4. am1 = bm2
5. m1 = m2
003 10.0 points
Nobody at the...
Homework Statement
A rod is initially along the y-axis and has
length ℓ. A force F =ˆı F1 +ˆj F2 + ˆk F3
acts at the upper end of the rod.
What is the initial torque ~τ about the lower
end of the rod?
1. Zero
2. ˆıF3 ℓ
3. −(ˆı F3 +ˆj F2 + ˆk F1) ℓ
4. (ˆıF3 − ˆk F1) ℓ
5. (ˆıF1 +ˆj F2...