: Mechanical work, power, and simple machines (blocks, levers).
: Atoms, molecules, and the three states of matter (solid, liquid, gas). Interaction of Bodies : Force, mass, density, and friction. gdz po fizike klass k uchebnikul.a isachenkova
: Atmospheric pressure and pressure in liquids and gases. : Mechanical work, power, and simple machines (blocks,
The 8th-grade textbook shifts focus toward thermodynamics and the fundamentals of electricity. Физика 9 : Mechanical work