8201 Force. Newton’s laws. Force is an influence that can ___________________of an object. Units of force are called ___________________,. Force is a vector. It has not only ______________, but also ______________. In physics we depict them as arrows. Addition of forces: Triangle rule Parallelogram rule Newton’s first law of motion A body continues in its ___________________ or in ___________________ in a straight line, unless acted upon by a force. Newton’s second law of motion A body acted upon by a force ___________________ Newton’s third law of motion If two bodies exert forces on each other, these forces are ___________________ and ___________________ Examples of forces ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________