Answer:
there are no mutiple choices
2. B) electrical chemical thermal mechanical
3. B) light, sound, and heat
4. A) light energy from the sun
Tough question, I would suggest using Google maybe, or just plain out asking your science teacher.
Answer:
Mechanical advantage = load/<u>effort</u>
Explanation:
Mechanical advantage is like a ratio of load to effort and many machines like pulleys depend on this relationship between load and effort for it to work.
