Pearson Edexcel International GCSE (9–1) · PHYSICS · Chapter
Units (Forces and Motion)
84 practice questions
Practice questions
1–10 of 41 · Normal
Question 1
1 mark · Normal
Answer and check →Which of the following is the correct unit for acceleration?
- A.m/s²
- B.kg/m
- C.N/s
- D.m/s
Question 2
1 mark · Normal
Answer and see the solution →State the SI unit for momentum.
Question 3
1 mark · Normal
Answer and check →What is the correct SI unit for torque (moment of a force)?
- A.newton metre (Nm)
- B.joule/second (J/s)
- C.kilogram (kg)
- D.metre/newton (m/N)
Question 4
2 marks · Normal
Answer and see the solution →A block is being pushed across a table with a force of 4 newtons. Its mass is 2 kg. Answer the following questions:
(a)[1 mark]Write down the SI unit for mass.
(b)[1 mark]Write down the SI unit for force.
Question 5
1 mark · Normal
Answer and check →Which of these has the correct unit for gravitational field strength?
- A.N/kg
- B.N·m
- C.kg m/s
- D.N/m
Question 6
1 mark · Normal
Answer and see the solution →Write the unit for speed in SI base units.
Question 7
1 mark · Normal
Answer and check →Which of the following is the correct unit for time in SI base units?
- A.second (s)
- B.minute (min)
- C.hour (h)
- D.millisecond (ms)
Question 8
2 marks · Normal
Answer and see the solution →A spinning playground roundabout exerts a moment (torque) on a child of 12 N m for 5 seconds.
(a)[1 mark]State the SI unit for moment (torque).
(b)[1 mark]Write the symbol for this unit.
Question 9
1 mark · Normal
Answer and see the solution →Write down the correct unit and its symbol for force in SI base units.
Question 10
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)