Distance of 1 mere frogane end respectively Task 4 (20 marks
a) A spring is stretched by 10 cm and has a force constant of 2 cm determine the Force
applied using Hooks law
b) A spring is stretched by 10 cm and has a force constant of 2 cm Determ the Force
applied using Hooks law
When a force of 1000 Nis applied on a body, it gets compressed by a fra bere prine
the strain energy
d) A rod of area 90 mm has a length of 3' m. Dete mine the strain energy if tye
300 MPa is applied when stretched. Young's modulus is given as 200 GPa.