Question

20Force.pdf Lever the two peams by aajusting the mumpnut on the enia of the stuauing protruaing from the bending moment and shear force spring balance. Record the shear force spring balance reading ONLY, in kgf, into the boxes marked with \( A \) in table 4. This will be the reading at 'no-load', ON. Add \( 10 \mathrm{~N} \) to \( \mathrm{W}_{3} \). Level the beams and record the new reading of the shear force spring balance in table 4 in the box marked with a \( B \). Table 4 \begin{tabular}{|c|c|c|c|} \hline Load on \( \mathrm{W}_{3}(\mathbf{N}) \) & 0 & 10 & 20 \\ \hline Spring balance force \( (\mathrm{Kg}) \) & \( \boldsymbol{A} \) & \( \boldsymbol{B} \) & C \\ \hline Spring balance force \( (\mathbf{N}) \) & & & \\ \hline Shear force \( \mathrm{Q}_{c}(\mathrm{~N}) \) & & & \\ \hline Theoretical Q & & \\ \hline Ratio Experimental / Theory \( (\mathrm{N}) \mathrm{I} \) & & & \\ \hline \end{tabular} Note: The letters in the table above are visual aids only to help understand where to place the figures. Finally the whole procedure using a \( 20 \mathrm{~N} \) load, recording all shear force spring balance values in table 4 within the box marked \( C \). For each load position, the difference between the initial unloaded spring balance reading (no-load) and the loaded spring balance reading is the effect of applying the \( 10 \mathrm{~N} \) or \( 20 \mathrm{~N} \) load on the beam.

          20Force.pdf
Lever the two peams by aajusting the mumpnut on the enia of the stuauing protruaing from the bending moment and shear force spring balance.

Record the shear force spring balance reading ONLY, in kgf, into the boxes marked with \( A \) in table 4. This will be the reading at 'no-load', ON.

Add \( 10 \mathrm{~N} \) to \( \mathrm{W}_{3} \). Level the beams and record the new reading of the shear force spring balance in table 4 in the box marked with a \( B \).
Table 4
\begin{tabular}{|c|c|c|c|}
\hline Load on \( \mathrm{W}_{3}(\mathbf{N}) \) & 0 & 10 & 20 \\
\hline Spring balance force \( (\mathrm{Kg}) \) & \( \boldsymbol{A} \) & \( \boldsymbol{B} \) & C \\
\hline Spring balance force \( (\mathbf{N}) \) & & & \\
\hline Shear force \( \mathrm{Q}_{c}(\mathrm{~N}) \) & & & \\
\hline Theoretical Q & & \\
\hline Ratio Experimental / Theory \( (\mathrm{N}) \mathrm{I} \) & & & \\
\hline
\end{tabular}

Note: The letters in the table above are visual aids only to help understand where to place the figures.

Finally the whole procedure using a \( 20 \mathrm{~N} \) load, recording all shear force spring balance values in table 4 within the box marked \( C \).

For each load position, the difference between the initial unloaded spring balance reading (no-load) and the loaded spring balance reading is the effect of applying the \( 10 \mathrm{~N} \) or \( 20 \mathrm{~N} \) load on the beam.

20Force.pdf
Lever the two peams by aajusting the mumpnut on the enia of the stuauing protruaing from the bending moment and shear force spring balance.

Record the shear force spring balance reading ONLY, in kgf, into the boxes marked with A in table 4. This will be the reading at 'no-load', ON.

Add 10 N to W3. Level the beams and record the new reading of the shear force spring balance in table 4 in the box marked with a B.
Table 4

Load on W3(𝐍) 0 10 20

Spring balance force (Kg) A B C

Spring balance force (𝐍)

Shear force Qc( N)

Theoretical Q

Ratio Experimental / Theory (N) I

Note: The letters in the table above are visual aids only to help understand where to place the figures.

Finally the whole procedure using a 20 N load, recording all shear force spring balance values in table 4 within the box marked C.

For each load position, the difference between the initial unloaded spring balance reading (no-load) and the loaded spring balance reading is the effect of applying the 10 N or 20 N load on the beam.

Added by Marcus J.

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