A25 kg object is accelerating at 3 m/s2. how big a force is acting on the object?

All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction

What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? o a. resistance is directly related to length. ob. resistance is directly related to the square of the length. c. resistance is inversely related to the length. d. resistance is inversely related to the square of the length. reset next

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?