Pearson Edexcel International GCSE (9–1) · PHYSICS · Unit
Forces and Motion
367 practice questions
Topics covered
Practice questions
71–80 of 145 · Easy
Question 71
1 mark · Easy
Answer and check →Which of the following quantities must be known to calculate the final speed using ?
- A.Initial speed, final speed and acceleration
- B.Initial speed, acceleration and distance moved
- C.Distance moved, acceleration and time
- D.Final speed, distance moved and time
Question 72
3 marks · Easy
Answer and see the solution →A runner travels at a steady speed of 8 m/s for 5 seconds.
(a)[2 marks]Calculate the distance travelled by the runner in this time.
(b)[1 mark]Is the distance calculated a vector or scalar quantity? Explain your answer.
Question 73
4 marks · Easy
Answer and see the solution →An object starts from rest and accelerates uniformly at 2 m/s² for 6 s.
(a)[2 marks]Calculate the final velocity of the object.
(b)[2 marks]Calculate the distance travelled by the object during this time using the area under the velocity–time graph.
Question 74
1 mark · Easy
Answer and see the solution →State the unit used to measure force.
Question 75
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 76
1 mark · Easy
Answer and see the solution →Name the force that pulls objects towards the centre of the Earth.
Question 77
2 marks · Easy
Answer and see the solution →Explain what happens to an object if the forces on it are balanced.
Question 78
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 79
2 marks · Easy
Answer and see the solution →Describe the difference between vector and scalar quantities. Give one example of each.
Question 80
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.