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#Torque equilibrium and center of gravity lab report how to#
COVID-19 Portal While this global health crisis continues to evolve, it can be useful to look to past pandemics to better understand how to respond today.Student Portal Britannica is the ultimate student resource for key school subjects like history, government, literature, and more.From tech to household and wellness products. Britannica Explains In these videos, Britannica explains a variety of topics and answers frequently asked questions.This Time in History In these videos, find out what happened this month (or any month!) in history.#WTFact Videos In #WTFact Britannica shares some of the most bizarre facts we can find.Demystified Videos In Demystified, Britannica has all the answers to your burning questions.Britannica Classics Check out these retro videos from Encyclopedia Britannica’s archives.Since the two torques tend to rotate the stick in different directions, they will have different signs. Make a table showing the forces, positions and torques for F L and F R. The force on the right, F R, stays the same while its position, d R, changes. Note that the position, d L of the force on the left, F L, stays the same at 10cm or 0.1m while the force or weight changes. What is this change in position as a percent of the original distance (If the original distance was 30 cm and you had to move it 4mm, the % change is ×100 = 1.3%) These are measurements of the sensitivity of the system and should be mentioned in your discussion. How much mass do you have to add to the left hanger to make the system go out of balance What is the percentage change in mass (For example if it takes 4g, the % change in mass is (4/150)×100 = 2.7%) Go back to having 100g added to the left hanger and now move the right hangers distance from the meter stick hanger until the system goes out of balance. Measure the sensitivity of the balance by balancing the system when you have added 100g to the Meter stick Hanger for meter stick d L d R F R Hanger with weights left hanger, i.e. Repeat this until you reach the end of the meter stick on the right side or have 10 data points. Now add a 20g mass to the hanger on the left and reposition the hanger on the right to balance it. You will need the position relative to the center of the meter stick hanger, not the meter stick! Note that the weight hangers have a mass of 50g! (Sometimes you can add a little mass to the meter stick so that it will balance exactly at the 50cm mark. Record the positions and weights of each weight hanger. Place a second weight hanger to the right and position it to balance the meter stick, i.e. Suspend a weight hanger (with thread) 10cm to the left of the center of the meter stick hanger. You must record the position at which it balances. The meter sticks will not all balance when the center of the hanger is at 50 cm.
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This means the center of gravity of the stick will be at the center of the hanger and the weight of the stick will not produce a torque about the point of support, i.e. For Part I, use a stick that does not have holes in it. Experiment You will balance a meter stick on a meter stick hanger. Part I Equipment You will use a meter stick, meter stick hanger, weights, weight hangers and paperclips or clay. LAB 8: TORQUE AND STATIC EQUILIBRIUM Purpose You will apply torques to a body to see if the net torque on it is zero when it is in static equilibrium.