Answer to Question #58117 in Mechanics | Relativity for Christbeauty

Question

10 If a force of 80N extends a spring of natural length 8m by 0.4m what will be the length of the spring when the applied force is 100N
0.3m
0.5m
1.0m
2.0m

11 A wire of cross-sectional area of
6×10−5m2
and length 50cm stretches by 0.2mm under a load of 3000N. Calculate the Young’s modulus for the wire
8×1010Nm−2
1.25×1011Nm−2
2.5×1011Nm−2
5×1011Nm−2