Pearson Edexcel International GCSE (9–1) · PHYSICS · Unit
Forces and Motion
367 practice questions
Topics covered
Practice questions
81–90 of 145 · Easy
Question 81
1 mark · Easy
Answer and see the solution →Name two types of force other than friction.
Question 82
2 marks · Easy
Answer and see the solution →State two different effects that a force can have on an object. Give a different example for each effect.
(a)[1 mark]State one effect and give an example.
(b)[1 mark]State a second, different effect and give an example.
Question 83
1 mark · Easy
Answer and check →Which of these is a scalar quantity?
- A.Displacement
- B.Velocity
- C.Force
- D.Temperature
Question 84
2 marks · Easy
Answer and see the solution →A box is pushed to the right with a force of 7 N and pulled to the left with a force of 5 N. Calculate the size and direction of the resultant force acting on the box.
Question 85
4 marks · Easy
Answer and see the solution →A student investigates how a metal spring stretches when forces are applied. The table below shows her results.
Spring stretching experiment data Force / N Length / cm 0 4.5 2 5.1 4 5.7 6 6.3 8 6.9 (a)[2 marks]Calculate the extension of the spring for each force value. Complete the table below.
Force / N Extension / cm 0 2 4 6 8 (b)[1 mark]What was the original (unstretched) length of the spring?
(c)[1 mark]Does this spring obey Hooke's law in the range shown? Give a reason for your answer.
Question 86
2 marks · Easy
Answer and see the solution →Describe what is meant by the ‘elastic limit’ of a spring and what happens to the spring if it is stretched beyond this point.
Question 87
1 mark · Easy
Answer and see the solution →Give one example of a material that is elastic and one example of a material that is not elastic, explaining your choices.
Question 88
3 marks · Easy
Answer and see the solution →Rubber bands and metal springs behave differently when stretched. Read the statements below and answer the questions.
(a)[2 marks]Describe how the force-extension graphs differ for a rubber band and a metal spring.
(b)[1 mark]State which one follows Hooke's law and which one does not.
Question 89
2 marks · Easy
Answer and see the solution →A spring is 12.0 cm long without any load. A force of 5.0 N extends it to 13.5 cm. Calculate the spring's extension produced by this force. Give your answer in cm.
Question 90
1 mark · Easy
Answer and see the solution →State Hooke’s law.