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COMPUTATIONS & ILLUSTRATION (use graphing paper and extra sheets)

COMPUTATIONS & ILLUSTRATION (use graphing paper and extra sheets)

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What are the computations and illustrations in this experiment

% of Error = Prue Value-Experimental Value x 100% Mechanics and Heat SET UP: Experiment – Resultant Vector INTRODUNCTION F3 F2 Өз ОBJЕCTIVES To add force vectors graphically and analytically. To compare the resultant of vectors using graphical and analytical methods. PROCEDURE 1. In the force board/frame, suspend the three spring balances at angles 01, 02 and 03 with respect to the horizontal as shown in the diagram 2.1. 2. Suspend a set of mass, W at point O using a string until equilibrium. 3. Read the spring balances or dynamometer and record as F1, F2 and F3. 4. Measure the angles 01, 02 and 03 using a protractor and record as indicated. APPARATUS & MATERIALS: Force board or frame * Set of Mass • Spring balance or dynamometer * Protractor String 5. Using the polygon method, add the set of forces F1, F2 and F3 graphically to determine the resultant force FR. Use a separate graphing paper for this. 6. Compute the percent of error using weight W of mass m as the true value and the resultant force as the experimental value. Use the formula: True or%3D True Value 7. With the same set of forces, calculate analytically the resultant force FR using the rectangular resolution method. Use separate sheet of paper for this computation.
Transcribed Image Text:% of Error = Prue Value-Experimental Value x 100% Mechanics and Heat SET UP: Experiment – Resultant Vector INTRODUNCTION F3 F2 Өз ОBJЕCTIVES To add force vectors graphically and analytically. To compare the resultant of vectors using graphical and analytical methods. PROCEDURE 1. In the force board/frame, suspend the three spring balances at angles 01, 02 and 03 with respect to the horizontal as shown in the diagram 2.1. 2. Suspend a set of mass, W at point O using a string until equilibrium. 3. Read the spring balances or dynamometer and record as F1, F2 and F3. 4. Measure the angles 01, 02 and 03 using a protractor and record as indicated. APPARATUS & MATERIALS: Force board or frame * Set of Mass • Spring balance or dynamometer * Protractor String 5. Using the polygon method, add the set of forces F1, F2 and F3 graphically to determine the resultant force FR. Use a separate graphing paper for this. 6. Compute the percent of error using weight W of mass m as the true value and the resultant force as the experimental value. Use the formula: True or%3D True Value 7. With the same set of forces, calculate analytically the resultant force FR using the rectangular resolution method. Use separate sheet of paper for this computation.
8. Compute the percent of error using weight W of the set of mass m (including the pan) as the true value and the resultant force as the experimental value. Use the same formula given above. 9. Compare the resultant force FR with the weight W as equilibrant force both in the graphical and in analytical methods. COMPUTATIONS & ILLUSTRATION (use graphing paper and extra sheets) DATA & RESULTS A. Graphical Method CONCLUSION Magnitude Direction F1 N F2 N 02 F3 N Өз Resultant Force, FR N Weight, W Percent of Error N % B. Analytical Method Magnitude Direction F1 N F2 02 F3 03 Resultant Force, Fr N Weight, W Percent of Error N %
Transcribed Image Text:8. Compute the percent of error using weight W of the set of mass m (including the pan) as the true value and the resultant force as the experimental value. Use the same formula given above. 9. Compare the resultant force FR with the weight W as equilibrant force both in the graphical and in analytical methods. COMPUTATIONS & ILLUSTRATION (use graphing paper and extra sheets) DATA & RESULTS A. Graphical Method CONCLUSION Magnitude Direction F1 N F2 N 02 F3 N Өз Resultant Force, FR N Weight, W Percent of Error N % B. Analytical Method Magnitude Direction F1 N F2 02 F3 03 Resultant Force, Fr N Weight, W Percent of Error N %
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