1)If torque on object is zero, the object must not rotate. True False 2)if the t
ID: 1289536 • Letter: 1
Question
1)If torque on object is zero, the object must not rotate. True False
2)if the total torque on an object is zero, the total force on it must also be zero. True False
3) If the total force on an object is zero, the total torque on it must also be zero. True False
4)The tension in a cable is measured to be 17.82 N, but the calculated value is 18.69 N. What is the percent difference?
5)A rod is hinged at 12cm from its left end as shown. Based on the diagram, please calculate the torque (in units of N.m) if the force (represented by the arrow) is 8 N and the angle (a) is 120o.
6) we will determine the location of the center of mass of the meter stick by
7)A rod is hinged at the left end, and a force F is applied at the right end. Which dashed line in the image is the moment arm to calculate the torque of the force?
1)If torque on object is zero, the object must not rotate. True False 2)if the total torque on an object is zero, the total force on it must also be zero. True False 3) If the total force on an object is zero, the total torque on it must also be zero. True False 4)The tension in a cable is measured to be 17.82 N, but the calculated value is 18.69 N. What is the percent difference? 5)A rod is hinged at 12cm from its left end as shown. Based on the diagram, please calculate the torque (in units of N.m) if the force (represented by the arrow) is 8 N and the angle (a) is 120o. 6) we will determine the location of the center of mass of the meter stick by 7)A rod is hinged at the left end, and a force F is applied at the right end. Which dashed line in the image is the moment arm to calculate the torque of the force?Explanation / Answer
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1)If torque on object is zero, the object must not rotate. True
2)if the total torque on an object is zero, the total force on it must also be zero.--- False
3) If the total force on an object is zero, the total torque on it must also be zero. True
4)The tension in a cable is measured to be 17.82 N, but the calculated value is 18.69 N. What is the percent difference?
% diff = 18.69-17.82/(17.82) = 4.88%
5)A rod is hinged at 12cm from its left end as shown. Based on the diagram, please calculate the torque (in units of N.m) if the force (represented by the arrow) is 8 N and the angle (a) is 120o.
apply T = Fr sin theta
T = 8 * 0.06 * sin 120
T = 0.415 Nm
(answr may be diff , as accorduinlg fropm figure)
6) we will determine the location of the center of mass of the meter stick by
Xcm = ( m1x1+ m2x2 ............+)/(+m1+m2 ...)
or by balancing it using meter scale
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