Deformation · CSEC Physics
18 past-paper questions on Deformation, part of Mechanics, from every CSEC Physics paper on Quelpr.
- 1(a)3 marks· CSEC Physics · 2021 · Paper 2State Hooke's law.
- 1(b)(i)4 marks· CSEC Physics · 2021 · Paper 2Complete Table 1 by inserting the missing force and extension values in Columns 2 and 4 respectively.
- 1(d)3 marks· CSEC Physics · 2021 · Paper 2Given the gradient, S = 1/k, calculate the spring constant, k.
- 1(e)3 marks· CSEC Physics · 2021 · Paper 2Given that F = ke, calculate the length, l, when a force of 8.0 N is applied. Assume that the spring obeys Hooke's law.
- 1(a)4 marks· Physics Q1 1(a)Complete Table 1 by calculating the force, F, and the extension, e, of the spring. [acceleration due to gravity, g = 10 N kg⁻¹]
- 1(c)1 mark· Physics Q1 1(c)What information about the spring does the gradient of the graph provide?
- 1(d)2 marks· Physics Q1 1(d)The spring constant is related to the slope of the graph as follows: Spring constant = 1/S. Calculate the spring constant.
- 1(d)(i)2 marks· Physics Q1 1(d)(i)Use the graph to find the original length of the spring.
- 1(d)(ii)6 marks· Physics Q1 1(d)(ii)Use the gradient to calculate the extension of the spring if a 0.7 kg mass hangs freely from the end of the spring. Hence calculate the length of the spring with the mass attached. [g = 10 N kg⁻¹]
- 1(d)(iii)1 mark· Physics Q1 1(d)(iii)If the spring was stretched beyond its elastic limit how would this affect the shape of the graph?
- 1(e)5 marks· Physics Q1 1(e)Draw a labelled diagram showing the apparatus as used in this investigation.
- 1(e)(i)2 marks· Physics Q1 1(e)(i)How would you identify the region where proportionality exists?
- 1(f)(i)2 marks· Physics Q1 1(f)(i)With the aid of dotted lines, use your graph to determine the force which would cause an extension of 1.8 cm.
- 1(f)(ii)2 marks· Physics Q1 1(f)(ii)With the aid of dotted lines, use your graph to estimate the extension of the spring if a force of 1.3 N is applied.
- 1(g)1 mark· Physics Q1 1(g)If the student continues to take readings, a point may be reached where proportionality no longer exists. Name this point.
- 5(a)(i)3 marks· Physics Q5 5(a)(i)State Hooke's law.
- 5(a)(ii)3 marks· Physics Q5 5(a)(ii)With the aid of a labelled, sketched graph, explain what is meant by 'elastic limit'.
- 5(b)5 marks· Physics Q5 5(b)Calculate the weight of an object which when attached to the unloaded spring produces an extension of 50 mm. The elastic limit is NOT exceeded.