- #1
Alexanddros81
- 177
- 4
- Homework Statement
- The double gear shown rolls on the stationary lower rack; the velocity of its
center A is 1.2 m/s directed to the right. Determine (a) the angular velocity
of the gear, (b) the velocities of the upper rack R and of point D of the gear.
- Relevant Equations
- -
Hi!
My first question: How does he get the equation ##\frac {x_A} {2πr_1} = -\frac {θ} {2π}## ?
My first question: How does he get the equation ##\frac {x_A} {2πr_1} = -\frac {θ} {2π}## ?