Pearson Edexcel International GCSE (9–1) · PHYSICS · Section
Forces between charged and uncharged objects
16 practice questions
Practice questions
1–10 of 16
Question 1
1 mark · Easy
Answer and see the solution →State what happens when a negatively charged rod is brought close to another negatively charged rod.
Question 2
1 mark · Easy
Answer and see the solution →Describe the force experienced when a positively charged plastic rod is brought near a negatively charged plastic rod.
Question 3
1 mark · Easy
Answer and check →Which statement is correct about the force between two objects with opposite electric charges?
- A.They repel each other.
- B.They attract each other.
- C.There is no force between them.
- D.They both become uncharged.
Question 4
2 marks · Easy
Answer and see the solution →Explain why two strands of hair stand apart from each other when charged by a Van de Graaff generator.
Question 5
3 marks · Easy
Answer and see the solution →A student rubs a plastic rod with a woolen cloth.
(a)[1 mark]State the type of force observed if she then brings the charged rod close to an uncharged small piece of paper.
(b)[2 marks]Explain why this force occurs.
Question 6
1 mark · Easy
Answer and check →Which action would NOT result in a force of attraction or repulsion between two objects?
- A.Bringing two positively charged rods close together
- B.Bringing a negatively charged balloon close to a wall
- C.Bringing an uncharged rod close to another uncharged rod
- D.Bringing a positively charged rod close to a negatively charged rod
Question 7
2 marks · Easy
Answer and see the solution →A neutral metal sphere is suspended by a thread. A negatively charged rod is brought close to, but not touching, the sphere.
(a)[1 mark]Describe what happens to the sphere as the rod is moved closer.
(b)[1 mark]Explain, in terms of charges, why this occurs.
Question 8
2 marks · Easy
Answer and see the solution →A student has two rods: Rod A (positively charged) and Rod B (uncharged).
(a)[1 mark]Predict what happens if Rod A is brought near Rod B and state the type of force involved.
(b)[1 mark]Explain your answer.
Question 9
2 marks · Normal
Answer and see the solution →State what happens when two rods with like charges are brought near each other. Explain why this occurs.
Question 10
3 marks · Normal
Answer and see the solution →A pupil rubs a balloon with a woolen cloth and then holds it next to a wall. The balloon sticks to the wall.
Explain, in terms of charges, why the balloon is able to stick to the wall.