Physics 1603 Exam Chapter 4 Review Questions and Answers 2023

What are the units of a newton? - -kg*m/s^2 -What is Newton's first law? - -Inertia -What is the mathematical statement of Newton's second law? - -F=ma -What is the natural tendency of an object that is in motion? - -to stay in motion -How many objects and how many forces (at the minimum) are involved in Newton's third law? - -2 & 2 -What type of force is a magnetic force? - -Field -What type of force is a frictional force? - -Contact -Is force a scalar or vector quantity? - -Vector -What type of force exists between objects even in the absence of direct physical contact? - -Field -What type of force is air resistance? - -Contact -As an object falls toward Earth, how does it affect the earth? - -It causes an upward acceleration of Earth -What is the magnitude of the gravitational force called? - -Weight -What is the difference between mass and weight? - -Mass is the measure of matter while weight is the measure of force -What kind of force is gravity? - -Field