True or false on units

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   SI has seven base units.

2. Statement is true

   No

   Statement

   A result needs only a number, no unit.

3. Statement is true

   Yes

   Statement

   The radian measures plane angle.

4. Statement is true

   No

   Statement

   The CGS system used foot and pound.

5. Statement is true

   Yes

   Statement

   Parallax measures very large distances.

6. Statement is true

   No

   Statement

   Force is a base quantity.

Instructions

Decide whether each statement is true or false.

Explanation