Units (Astrophysics)
3 marks · EasyThe table shows different physical quantities. Complete the table by writing the correct SI unit and its symbol for each quantity.
(a)
[3 marks]
| Quantity | SI Unit (name) | SI Unit (symbol) |
|---|---|---|
| Time | ||
| Force | ||
| Speed |
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
Show answer
Must show: Second (s), Newton (N), Metre per second (m/s)
Also accept: Seconds for time; Metre per second for speed
Common mistakes: Hertz for speed; Joule for force
Show mark scheme and worked solution
Marking points
B1 (a) · 1 mark · Gives correct SI unit and symbol for time: second (s).
B1 (a) · 1 mark · Gives correct SI unit and symbol for force: newton (N).
B1 (a) · 1 mark · Gives correct SI unit and symbol for speed: metre per second (m/s).
Worked solution
| Quantity | SI Unit (name) | SI Unit (symbol) |
|---|---|---|
| Time | second | s |
| Force | newton | N |
| Speed | metre per second | m/s |