Please help me with this question I need help.

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force

Which object has the least amount of kinetic energy? a. a car driving down a road b. a soccer ball rolling down a hill c. a bicycle locked to a bike rack d. a satellite orbiting earth

Which of the following sections on the sat presents the questions in order of difficulty, from easiest to hardest, within each question type? select all that apply. math test writing and language test reading test