Newton's law

Newton’s Laws of Motion Chapter 6

[object Object],[object Object],[object Object],[object Object],Causes of Motion

These views remained widely supported until the 1500s when Galileo Galilei (1564-1642) popularized experimentation. Isaac Newton (1642–1727) proposed that the tendency of an object was to maintain its current state of motion.

Sir Isaac Newton (1642 – 1727) ,[object Object],[object Object],[object Object]

Sir Isaac Newton ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is a Force? ,[object Object],[object Object],[object Object],[object Object],1 Newton = kg * m/s 2

What are the types of Forces? Type of Force Force Symbol Contact Friction F fric or F f Contact Normal F N Contact Applied F Appl Contact Spring F S Contact Tension F T Contact Thrust F thrust Long-Range Weight F grav

Contact Forces vs. Long-Range Forces ,[object Object],[object Object],[object Object]

Forces have Agents ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Example of Forces having Agents ,[object Object]

Newton’s 1 st Law of Motion ,[object Object],The velocity of an object remains constant unless acted on by an unbalanced force. “ Law of Inertia”

Newton’s 1 st Law of Motion

Newton’s 1 st Law of Motion ,[object Object],[object Object],[object Object]

Some Examples from Real Life ,[object Object],A soccer ball is sitting at rest. It takes an unbalanced force of a kick to change its motion.

Net Force ,[object Object],[object Object],Force Symbol Friction F fric or F f Normal F N Applied F Appl or F a Net F Net Weight F grav or F g

Free Body Diagrams ,[object Object],[object Object],[object Object],[object Object],[object Object]

Examples of Free Body Diagrams

Newton's law

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Newton's law