What is the purpose of a free body diagram?
a. to show the velocity of an object
b. to show the acceleration of an object
c. to show the forces acting on an object
d. to show the direction of motion vectors of an object

Who was the first scientist to measure speed as distance over time?

Nthe 19th century, women were expected to conform to a certain role that entailed a. gaining domestic skills and establishing a career b. going to college and getting married c. getting married and having children d. graduating from college and being a housewife

Which of these are physical changes in matter? check all that apply. boiling water a pencil being sharpened exploding dynamite freezing water rotting cheese