a force of 2N stretches an elastic material by 30mm. What additional force will stretch the material by 35mm assuming the elastic limit is not exceeded

Question

asked on

Answer 1

2/30=(2+Additional)/35
wondering if the 35 incudes the initial stretch...poorly worded.

Answer 2

35/30 * 2N = 14/6 = 2.33 N. = Force required to stretch it 35 mm.

2.33 - 2 =__ N. = Additional force.