5. You push a 0.4 kg sandwich with your hand across a table to your friend over a distance of 0.75 m. If you use 2.4 N of force how much work did
you do? (one of the numbers is not needed for this problem)

Explain vector addition, triangle method and parallelogram method

Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.

10 newton object is placed 3 meters from the fulcrum. at what distance on the other side would you need to place a 15 newton object to balance the lever? show your work!