The following procedure from the lab worksheet has been performed for you to cap
ID: 1444485 • Letter: T
Question
The following procedure from the lab worksheet has been performed for you to capture the required data.
Use the data provided to calculate the unknowns.
1. Clamp the knife-edge to the 30-cm mark of the meter stick.
2. Place 400 grams at the 5-cm mark (use this as r), and put a 200-gram weight to the opposite side of the fulcrum, so as to make the loaded meter stick balance horizontally.
3. The true value of the weight of the meter stick (by using the triple beam balance) is 140.5 grams.
4. Calculate the difference between the two torque values:
5. Calculate the Experimental Value of the Meter Stick:
HINT: r1m1 = rxmx + r2m2
m1 m2 r1 r2 1 2 400 grams 200 grams 25cm 36cmExplanation / Answer
Torque T = r Cross F
T1 = r1F1 = 0.25*0.4*9.8 = 0.98 Nm
T2 = r2F2 = 0.36*0.2*9.8 = 0.705 Nm
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.