What chemical phenomenon accounts for the elasticity seen in solids? covalent bonds, hydrogen bonds, ionic bonds, all of the above

Abearing is designed to a reduce friction b. support a load c. guide moving parts such as wheels, shafts and pivots d. all of the above

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?

The slope of a velocity time graph over any interval of time gives the during that interval