Which branch of physics deals with the study of force, energy, and motion? a. acoustics b. mechanics c. optics d. geophysics

Natural forces that can alter ecosystems include seasons and climate changes. t or f

Ababy stroller is a rest on top of a hill which is 10 m high. the stroller and baby have a mass of 20 kg. what is the potential energy of the baby and stroller?

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical