Pearson Edexcel International GCSE (9–1) · PHYSICS · Chapter
Units (Forces and Motion)
84 practice questions
Practice questions
41–50 of 84
Question 41
1 mark · Normal
Answer and check →Which of the following is the correct unit for gravitational field strength in SI units?
- A.newton per kilogram (N/kg)
- B.joule per kilogram (J/kg)
- C.kilogram per newton (kg/N)
- D.watt (W)
Question 42
1 mark · Normal
Answer and see the solution →A boulder has a mass of 1500.0 kilograms. State the correct SI unit for mass and give its symbol.
Question 43
1 mark · Normal
Answer and see the solution →Which of the following is the correct SI unit for the moment (torque) of a force?
- A.newton metre (Nm)
- B.joule (J)
- C.watt (W)
- D.metre newton (mN)
Question 44
3 marks · Normal
Answer and see the solution →A runner covers a distance of 800 metres in 200 seconds.
(a)[1 mark]State the correct SI unit and symbol for speed.
(b)[2 marks]Calculate the average speed of the runner. Give your answer in SI units.
Question 45
1 mark · Normal
Answer and see the solution →A racing car's acceleration is measured as 5.2 m/s². What is the unit for acceleration, and how is it written using symbols?
Question 46
1 mark · Normal
Answer and see the solution →State the correct SI unit (and its symbol) for momentum.
Question 47
1 mark · Normal
Answer and see the solution →A moving object has a momentum of 15 kg m/s. Give the units for momentum in symbols.
Question 48
1 mark · Normal
Answer and see the solution →Give the SI unit for distance in physics and write its symbol.
Question 49
1 mark · Normal
Answer and check →Which of these is the correct SI unit for force?
- A.newton (N)
- B.joule (J)
- C.watt (W)
- D.kilogram (kg)
Question 50
1 mark · Normal
Answer and see the solution →Write down the correct SI unit and symbol for time.