An 7.6 kg crate is pulled 4.8 m up a 30∘ incline by a rope angled 18 ∘ above the incline. the tension in the rope is 130 n and the crate's coefficient of kinetic friction on the incline is 0.22.1.) how much work is done by (a) tension, by (b) gravity, and by (c) the normal force? 2. ) what is the increase in thermal energy of the crate and incline?

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

Which composition of water moves to begin a deepwater current?