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3. For the meter stick shown in Figure 10-4, the force F 1 10.0N acts at 10.0 cm

ID: 2144903 • Letter: 3

Question

3. For the meter stick shown in Figure 10-4, the force F1 10.0N acts at 10.0 cm. What is the magnitude

of the torque due to F1 about an axis through point A perpendicular to the page? Is it clockwise, or is

it counterclockwise? Show your work and give correct units.



4. In Figure 10-4 the force F2.15.0N acts at the point 70.0 cm. What is the magnitude of the torque due

to F2 about an axis through point B and perpendicular to the page? Is the torque clockwise, or is it


counterclockwise? Show your work and give correct units.


For the meter stick shown in Figure 10-4, the force F1 10.0N acts at 10.0 cm. What is the magnitude of the torque due to F1 about an axis through point A perpendicular to the page? Is it clockwise, or is it counterclockwise? Show your work and give correct units. Figure 10-4 the force F2.15.0N acts at the point 70.0 cm. What is the magnitude of the torque due to F2 about an axis through point B and perpendicular to the page? Is the torque clockwise, or is it counterclockwise? Show your work and give correct units.

Explanation / Answer

3) clockwise torque

Torque, T = r*F*sin(90) = 0.1*10*1 = 1 N.m

4) cockwise torque

Torque, T = r*F*sin(90) = 0.2*15*1 = 3 N.m


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