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WorksheetsYOUNG'S MODULUS
Total questions: 10
Worksheet time: 2mins
20.0 𝑘𝑔 mass is hung from a 2.0 𝑚 long vertical wire. If the wire is elongated by 3.0 𝑚𝑚, calculate the strain energy stored in the wire.
0.99 J
0.29 J
0.09 J
0.19 J
A 10.0 𝑘𝑔 mass is attached to a 3.0 𝑚 long cable. If the cable is stretched by 2.0 𝑚𝑚, calculate the strain energy stored in the cable.
0.60 J
0.20 J
0.40 J
0.80 J
A 25.0 𝑘𝑔 load is hung from a 2.5 𝑚 long elastic band. If the band elongates by 5.0 𝑚𝑚, find the elastic potential energy stored in the band.
1.25 J
1.75 J
0.50 J
1.00 J
A cylindrical rod with a length of 3.0 𝑚 and a cross-sectional area of 1.0 𝑐𝑚2 is subjected to a tensile force of 150 𝑁. If the rod elongates by 0.3 𝑐𝑚, calculate the Young’s modulus of the material.
1.50 x 109 Pa
2.50 x 1010 Pa
1.50 x 1010 Pa
4.50 x 1010 Pa
A wire fixed to a ceiling has a length of 1.5 𝑚 and cross-sectional area 0.2 𝑐𝑚2. The wire stretches by 0.15 𝑐𝑚 when a 50 𝑘𝑔 load is attached to its free end. Calculate the Young’s modulus of the wire
5.45 x 1010 Pa
3.45 x 1010 Pa
4.45 x 1010 Pa
2.45 x 1010 Pa
A 50 𝑐𝑚 wire has Young’s modulus 175 𝐺𝑃𝑎 and diameter 0.25 𝑚𝑚. Calculate the force needed to elongate the wire 1.5 𝑚𝑚.
35.8 N
25.8 N
65.8 N
45.8 N
A 75 𝑐𝑚 wire has Young’s modulus 200 𝐺𝑃𝑎 and diameter 0.3 𝑚𝑚. Calculate the force required to stretch the wire 2.0 𝑚𝑚.
45.2 N
5575.2 N
7235.2 N
85.2 N
A 30.0 𝑘𝑔 mass is suspended from a 2.0 𝑚 long elastic cord. If the cord stretches by 6.0 𝑚𝑚, calculate the elastic potential energy stored in the cord.
0.90 J
0.70 J
0.50 J
0.30 J
A 12.0 𝑘𝑔 weight is attached to a 1.8 𝑚 long wire. If the wire is elongated by 2.5 𝑚𝑚, determine the strain energy stored in the wire.
0.35 J
0.25 J
0.15 J
0.45 J
A 40 𝑐𝑚 wire has Young’s modulus 150 𝐺𝑃𝑎 and diameter 0.2 𝑚𝑚. Calculate the force needed to elongate the wire 2.0 𝑚𝑚.
20.5 N
30.5 N
40.5 N
50.5 N
