Vectors, true or false

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   A zero dot product means the vectors are perpendicular

2. Statement is true

   Yes

   Statement

   Work done is the dot product of force and displacement

3. Statement is true

   Yes

   Statement

   The resultant of two forces is found by adding components

4. Statement is true

   No

   Statement

   cos 150° is positive

5. Statement is true

   Yes

   Statement

   A triangle with sides √41, √35 and √6 is right-angled

Instructions

Swipe true or false for each claim.