Worksheet
Moment Arms
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The first 6 cases deal with the moment arms and torques produced by each force about point A.
Refer to the following information for the next three questions.
For the
50-N force
shown in the following diagram, state its moment arm and the magnitude and direction of the torque it produces about pivot point A.
moment arm
torque
direction of rotation
cw
ccw
no rotation
Refer to the following information for the next three questions.
For the
60-N force
shown in the following diagram, state its moment arm and the magnitude and direction of the torque it produces about pivot point A.
moment arm
torque
direction of rotation
cw
ccw
no rotation
Refer to the following information for the next three questions.
For the
70-N force
shown in the following diagram, state its moment arm and the magnitude and direction of the torque it produces about pivot point A.
moment arm
torque
direction of rotation
cw
ccw
no rotation
Refer to the following information for the next three questions.
For the
80-N force
shown in the following diagram, state its moment arm and the magnitude and direction of the torque it produces about pivot point A.
moment arm
torque
direction of rotation
cw
ccw
no rotation
Refer to the following information for the next three questions.
For the
90-N force
shown in the following diagram, state its moment arm and the magnitude and direction of the torque it produces about pivot point A.
moment arm
torque
direction of rotation
cw
ccw
no rotation
The next 6 cases deal with the moment arms and torques produced by each force about point B.
Refer to the following information for the next three questions.
For the
50-N force
shown in the following diagram, state its moment arm and the magnitude and direction of the torque it produces about pivot point B.
moment arm
torque
direction of rotation
cw
ccw
no rotation
Refer to the following information for the next three questions.
For the
60-N force
shown in the following diagram, state its moment arm and the magnitude and direction of the torque it produces about pivot point B.
moment arm
torque
direction of rotation
cw
ccw
no rotation
Refer to the following information for the next three questions.
For the
70-N force
shown in the following diagram, state its moment arm and the magnitude and direction of the torque it produces about pivot point B.
moment arm
torque
direction of rotation
cw
ccw
no rotation
Refer to the following information for the next three questions.
For the
80-N force
shown in the following diagram, state its moment arm and the magnitude and direction of the torque it produces about pivot point B.
moment arm
torque
direction of rotation
cw
ccw
no rotation
Refer to the following information for the next three questions.
For the
90-N force
shown in the following diagram, state its moment arm and the magnitude and direction of the torque it produces about pivot point B.
moment arm
torque
direction of rotation
cw
ccw
no rotation
The final 6 cases deal with the moment arms and torques produced by each force about point P.
Refer to the following information for the next three questions.
For force
F
_{1}
, shown in the following diagram, state its moment arm and the magnitude and direction of the torque it produces about pivot point P. The square has sides of length L.
moment arm
torque
direction of rotation
cw
ccw
no rotation
Refer to the following information for the next three questions.
For force
F
_{2}
, shown in the following diagram, state its moment arm and the magnitude and direction of the torque it produces about pivot point P. The square has sides of length L.
moment arm
torque
direction of rotation
cw
ccw
no rotation
Refer to the following information for the next three questions.
For force
F
_{3}
, shown in the following diagram, state its moment arm and the magnitude and direction of the torque it produces about pivot point P. The square has sides of length L.
moment arm
torque
direction of rotation
cw
ccw
no rotation
Refer to the following information for the next three questions.
For force
F
_{4}
, shown in the following diagram, state its moment arm and the magnitude and direction of the torque it produces about pivot point P. The square has sides of length L.
moment arm
torque
direction of rotation
cw
ccw
no rotation
Refer to the following information for the next three questions.
For force
F
_{5}
, shown in the following diagram, state its moment arm and the magnitude and direction of the torque it produces about pivot point P. The square has sides of length L.
moment arm
torque
direction of rotation
cw
ccw
no rotation
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