If the Masses of the Hangers Are Equal Can Their Weight Be Neglected

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Help to Understanding Vectors, Equilibrants, and Strength Tables

• Thread starter munchy35
• Kickoff date Sep 30, 2009

Homework Statement

I performed a physics lab in which nosotros had a level forcefulness table with a string around a mail service in the eye with iv strings attached. we and so attached pulleys for the strings and weights. nosotros used vectors and weights to notice the equilibrium - when the ring was centered. It is a pretty common lab. I'thousand only having difficulty answering assay questions.

1. Suppose that the weight holders in this experiment all have the same mass. May their masses be neglected? Explain.

2. If the strength table were tilted at a considerable angle, would the results exist altered in whatsoever style? Explain.

3. Discuss the effects of friction on the measurements.

Homework Equations

No equations!

The Attempt at a Solution

i. I don't think mass could be neglected considering strength is a vector quantity - they have magnitude and direction. Without the mass, there is no magnitude. ...Is that incorrect? Or worded wrongly?

2. The results would exist contradistinct if the table was tilted...not sure of caption. The levelness of the table allows results to exist authentic. Calculation a tilt...would cause more mass to be added to one side to level out the ring.?

3. Friction - existed in the pulleys preventing the pulleys from transferring full corporeality of tension to the band

I but need help answering and wording my answers.

Also would sources of error for lab include...
-friction
-inaccurate measurements from the lab members - not precise measurements
-inability to add a fraction of a weight to a weight holder
-strength tabular array might not be completely level

Give thanks you!!!

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