85.4 Some topics of discussion total =ma= ma+ mao Fota +(-mao)=ma' dictate F pseudo=-mao called pseudo force. The pseudo force arise only because of the acceleration of the noninertial reference frame Without the pseudo force term, the accelerated frame cannot properly describe the motion of the particle using Newtons law. 85.5 applications of Newtons law How to apply Newtons laws of motion Identifies the system; 2 draw the free-body diagrams and illustrates all forces acting on the system with their direction indicated explicitly in the diagram; choose a coordinate system; Omake appropriate vector sum of all the forces and describe the motion by using Newton's second law of motion9 F ma ma F ma ma ma + − = ′ = = ′ + r r r r r r r ( ) total 0 total 0 The pseudo force arise only because of the acceleration of the noninertial reference frame. Without the pseudo force term, the accelerated frame cannot properly describe the motion of the particle using Newton’s law. Fpseudo ma0 r r dictate called pseudo force. = − §5.4 Some topics of discussion How to apply Newton’s laws of motion 1identifies the system; 2 draw the free-body diagrams and illustrates all forces acting on the system with their direction indicated explicitly in the diagram; 3choose a coordinate system; 4make appropriate vector sum of all the forces and describe the motion by using Newton’s second law of motion. §5.5 applications of Newton’s law