18. Forces are all around you. Describe an example of each of Newton's laws of motion
that you experience before you get to school
in the morning.

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change? work power gravitational energy chemical energy

Which best describes the difference between internal and thermal energy?

What efficiency of a car's engine when heat input is 200,000 joules and waste heat is 150,000 joules? a. 75% b. 35% c. 25% d. 85%