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go tothe torque calculation site. http://physics.bu.edu/~duffy/HTML5/torque_three_ways.html Assume the rod is 100cm in length. Without change any parameters, use the numbers given in the simulation, calculate
go tothe torque calculation site. http://physics.bu.edu/~duffy/HTML5/torque_three_ways.html
Assume the rod is 100cm in length. Without change any parameters, use the numbers given in the simulation, calculate
- Lever arm length for the force (blue) applied (directly read from simulation):
[answer]
- Lever arm length for the weight of the rod:
[answer]
- Calculate the force (Blue) applied to maintain the equilibrium of the rod.
Now adjust the "String Angle to Vertical: to 45 degree, use the numbers given in the simulation
[answer]
- Lever arm length for the force (blue) applied:(hint: just ignore the negative sign for the angle)
[answer]
- Click the method 3 "lever arm" to check your calculation.
[answer]
- Lever arm length for the weight of the rod:
[answer]
- Calculate the force (Blue) applied to maintain the equilibrium of the rod.
[answer]
- Click the method 2 "force component" Find the vertical and horizontal component of the force.
[answer]
- Notice that there is force (red) at the hinge, since the rod is in equilibrium (total net force = 0, net torque=0), calculate the force at the hinge.
Horizontal component:
[answer]
Vertical component:
[answer]
Total magnitude of the force:
[answer]
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