Pearson Edexcel International GCSE (9–1) · PHYSICS · Unit
Forces and Motion
367 practice questions
Topics covered
Practice questions
181–190 of 367
Question 181
6 marks · Normal
Answer and see the solution →A car is initially travelling at 15 m/s. It accelerates uniformly at 4 m/s² for a certain time.
(a)[1 mark]Calculate the velocity of the car after 3 seconds.
(b)[2 marks]Calculate the distance the car travels during these 3 seconds.
(c)[2 marks]Sketch a velocity–time graph for the motion described above. Include numerical values for axes.
(d)[1 mark]Explain the physical meaning of the gradient and the area under the graph you have drawn.
Question 182
1 mark · Easy
Answer and see the solution →State the unit used to measure force.
Question 183
1 mark · Easy
Answer and check →Which of the following forces acts to slow down moving objects?
- A.Friction
- B.Upthrust
- C.Gravity
- D.Magnetism
Question 184
1 mark · Easy
Answer and see the solution →Name the force that pulls objects towards the centre of the Earth.
Question 185
2 marks · Easy
Answer and see the solution →Explain what happens to an object if the forces on it are balanced.
Question 186
3 marks · Easy
Answer and see the solution →A child is pulling a toy car along a flat table. The child pulls the car with a force of 2 N to the right. Friction between the table and the car is 1.5 N to the left.
(a)[1 mark]State the direction of the resultant force on the car.
(b)[2 marks]Calculate the size of the resultant force on the car.
Question 187
2 marks · Easy
Answer and see the solution →Describe the difference between vector and scalar quantities. Give one example of each.
Question 188
3 marks · Easy
Answer and see the solution →An object is acted on by the following forces along a straight line: 5 N to the right, 2 N to the left, and 1 N to the right.
(a)[1 mark]Calculate the total force acting to the right.
(b)[2 marks]Calculate the resultant force on the object.
Question 189
1 mark · Easy
Answer and see the solution →Name two types of force other than friction.
Question 190
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.