Physics, 05.12.2019 18:31, sandyykn6031
Auniform rod of mass mr = 123 g and length l = 100.0 cm is attached to the wall with a pin as shown. cords are attached to the rod at the r1 = 10.0 cm and r2 = 90.0 cm mark, passed over pulleys, and masses of m1 = 226 g and m2 = 157 g are attached. your ta asks you to determine the following. (a) the position r3 on the rod where you would suspend a mass m3 = 200 g in order to balance the rod and keep it horizontal if released from a horizontal position. in addition, for this case, what force (magnitude and direction) does the pin exert on the rod? use standard angle notation to determine the direction of the force the pin exerts on the rod. express the direction of the force the pin exerts on the rod as the angle θf, measured with respect to the positive x-axis (counterclockwise is positive and clockwise is negative). r3 = fp = (b) let's now remove the mass m3 and determine the new mass m4 you would need to suspend from the rod at the position r4 = 20.0 cm in order to balance the rod and keep it horizontal if released from a horizontal position. in addition, for this case, what force (magnitude and direction) does the pin exert on the rod? express the direction of the force the pin exerts on the rod as the angle θf, measured with respect to the positive x-axis (counterclockwise is positive and clockwise is negative). m4 = fp = (c) let's now remove the mass m4 and determine the mass m5 you would suspend from the rod in order to have a situation such that the pin does not exert a force on the rod and the location r5 from which you would suspend this mass in order to balance the rod and keep it horizontal if released from a horizontal position. m5 = r5=
Answers: 3
Physics, 22.06.2019 10:30, johnthienann58
The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g
Answers: 1
Physics, 23.06.2019 01:30, theworld58
The dominant wavelength of energy emitted by the sun is
Answers: 2
Auniform rod of mass mr = 123 g and length l = 100.0 cm is attached to the wall with a pin as shown....
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