Course 3 Chapter 02 Vocabulary Terms

important; momentous

• static

• force pair

• significant

• balance forces

the motion of an object does not change if the net force on an object is zero

• Newton's first law of motion

• Newton's second law of motion

• law of conservation of motion

• law of conservation of momentum

a force in circular motion that acts perpendicular to the direction of motion toward the center of the circle

• noncontact force

• centripetal force

• contact force

• unbalance force

any motion in which an object is moving along a curved path

• contact force

• friction

• circular motion

• noncontact force

forces that two objects apply to each other

• momentum

• friction

• force pair

• net force

gravitational force exerted on an object

• net force

• intertia

• gravity

• weight

direction given direction from a starting point to describe an object's position

• net force

• reference

• friction

• inertia

combined forces form a net force of zero

• net force

• balanced forces

• contact force

• unbalanced forces

combined forces that form a net force that is not zero

• unbalanced forces

• noncontact force

• net force

• balanced forces

tendency of an object to resist a change in its motion

• friction

• net force

• momentum

• inertia