A rod of length L = 1.58 m and mass m = 2.02 kg has a constant density and pivots from one end. It begins at an angle of 0 = 22.8 from the vertical as shown in Figure 1. The moment of inertia for a rod pivoting about one end is / = mL?. in the figure the rod has just been released from rest at angle 0. Figure 1: Diagrammatic representation of a rod-shaped pendulum of length L pivoting about one end from a starting angle of 0 degrees to the vertical. Part 1) What is the magnitude of the torque acting on the rod in this position? Nm Part 2) What is the angular acceleration of the rod? a = rad s-2 Part 3) What is the acceleration of a point on the end of the rod? ms-2

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A rod of length L = 1.58 m and mass m = 2.02 kg has a constant density and pivots from one
end. It begins at an angle of 0 = 22.8 from the vertical as shown in Figure 1. The moment of
inertia for a rod pivoting about one end is I = mL?. In the figure the rod has just been released
from rest at angle 8.
Figure 1: Diagrammatic representation of a rod-shaped pendulum of length L pivoting about one
end from a starting angle of 0 degrees to the vertical.
Part 1)
What is the magnitude of the torque acting on the rod in this position?
r =
Nm
Part 2)
What is the angular acceleration of the rod?
a =
rad s-2
Part 3)
What is the acceleration of a point on the end of the rod?
ms-2
Transcribed Image Text:A rod of length L = 1.58 m and mass m = 2.02 kg has a constant density and pivots from one end. It begins at an angle of 0 = 22.8 from the vertical as shown in Figure 1. The moment of inertia for a rod pivoting about one end is I = mL?. In the figure the rod has just been released from rest at angle 8. Figure 1: Diagrammatic representation of a rod-shaped pendulum of length L pivoting about one end from a starting angle of 0 degrees to the vertical. Part 1) What is the magnitude of the torque acting on the rod in this position? r = Nm Part 2) What is the angular acceleration of the rod? a = rad s-2 Part 3) What is the acceleration of a point on the end of the rod? ms-2
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