If your niece weighs 150 Newtons and you weigh 380 Newtons, how big is the support force the floor exerts on your feet if you stand still while your niece sits still on your shoulders?

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

Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending

Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton