the mass and weight of Earth are 8kg and 80N respectively determine the mass and weight of the body respectively on a planet where the pull of gravity is 1÷8 that on Earth

How to tell if two objects are in thermal equilibrium 1.the objects have the same temperature 2.the objects are the same size 3.the objects are touching each other 4.the objects temperatures are changing

An element becomes a positively charged ion when itloses protons. loses electrons. gains electrons. gains neutrons.

Which of the following forces require physical contact? tension air resistance friction magnetic force applied force