Curved Motion According to Newton’s first law, if the net force on an object is zero, then the object will remain at rest or will move in a straight line.

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Presentation transcript:

Curved Motion According to Newton’s first law, if the net force on an object is zero, then the object will remain at rest or will move in a straight line with a constant speed. For an object to move along a curve, there must be a net force on the object. One specific case that we will study is motion in a circle with a constant speed, i.e. uniform circular motion.

Uniform Circular Motion

Newton’s second law for uniform circular motion

Example--Figure Skater

Example--Gymnastics

Example--Roller Coaster

Airplane--Vertical Loop

Airplane--level turn

Circular swing

Car rounding a corner on a level road