You are sitting in a car that isn't moving; suddenly, the car quickly accelerates. your body seems to be pushed back against the seat. which word best explains why your body seemed to be pushed backward against the seat? a) newton b) vector c) inertia d) gravity

The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage

Which changes of state do the labels represent? a: b: c:

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents