Chapter 4 Review
Unit 4 Vocabulary
Circular – having the form of a circle.
Centripetal – moving to tending to move toward a center.
Centrifugal – moving or tending to move away from a center
Free-body diagram – diagrams used to show the relative magnitude and direction of all forces acting upon an object in a given situation.
Friction – the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other
Kinetic – occurs when two objects are moving relative to each other and rub together.
Static – two or more solid objects that are not moving relative to each other.
Linear – straight line. / Moving in a straight line.
Normal force – the component perpendicular to the surface of contact.
Net force – overall force acting on an object.
Tangent – line that just touches a curve at one point.
Torque – a twisting force that tends to cause rotation.
Weight – mass times gravity.
Apparent – clearly visible or understood.
Weightlessness – lacking apparent gravitational pull.