Using force arrows

12 questions

1. Forces (pushes and pulls) cannot be seen. So how do we represent forces in diagrams?
2. ___ arrows are used to represent forces in diagrams.
3. What is needed to draw straight lines of a set length?
4. If a 5 N force was drawn 5 cm long, how would you draw a 10 N force?
5. What direction do you think arrows used to represent forces should be drawn?
6. What direction do gravitational forces act?
7. The size of a force is shown by the ___ of a force arrow. (one word)
8. The ball is being thrown forwards. Which force arrow has been drawn in the correct direction to show the force of the hands on the ball?
9. An ice hockey puck is sliding along ice. What is the best phrase to describe the force that slows down the puck?
10. Which arrow has been correctly placed to show the force of the racket on the ball?
11. Which arrow has been correctly placed to show the gravitational force of Earth on the ball?
12. A force of 300 N is drawn 3 cm long. On the same diagram there is a also a force of 1200 N acting. How long should this force be drawn?

License: OGL