Using the data in the diagram in post #12 where l1=0.18m, l2=0.25m, φ=15°, and assuming n is known, would a valid system of equations to determine T be:
Στ: Tl2-Rcosφl1=0
∑Fy: Tcosθ+n-Rcosφ=0
∑Fx: Tsinθ=Rsinφ?
Or would the angle for the component of force R orthogonal to the rod need to be...
So, I was able to get the right answer by simply using the sum of the forces in the x and y direction rather than using torque, but I'd still like to understand how to solve it this way. What would the relationship of the torques be? They are obviously equal, and I get that you're saying some...
They are acting in opposite directions with no rotation. The rod is in contact with a surface, hence normal force. That's the language of the question, not my own. If you mean which is acting in the same direction as the normal force, then the answers is neither. In the case of y components, R...
The angles are to allow resolution into components of force along the x and y axis. The normal force acts wholly in the y-direction and is not perpendicular to the rod. The axis of rotation is at the point where the normal force is acting. It is 30.29cm from R and 32cm from T. The normal force...
It's a diagram of a rod with normal force equal to the weight acting at the point of rotation. The two forces T and R are acting perpendicularly to the rod at given distances in opposite directions. Assuming the normal force defines the positive y-axis, force T and force R make the quoted angles...
Homework Statement
A person is standing on tiptoe, with the total weight supported by the force on the toe. A mechanical model for the situation is shown, where T is the force in the Achilles tendon and R is the force on the foot due to the tibia. Find the value of T. Assume the total weight is...