Asledgehammer weighs 18 pounds on earth and 4 pounds on the planet namar. which of the following proportions could you use to determine a 100-pound earthlings weight on namar?

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?

Which atomic model was proposed as a result of j. j. thomson’s work?

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules