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Planet Earth PowerPoint Presentation

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PowerPoint is the world's most popular presentation software which can let you create professional Planet Earth powerpoint presentation easily and in no time. This helps you give your presentation on Planet Earth in a conference, a school lecture, a business proposal, in a webinar and business and professional representations.

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Slide 1 - Planet Earth Force Laws in Nature - Dynamics kinds - sources - strengths - ranges - mediators
Slide 2 - Review Newton’s Laws Law of Inertia - definition of mass F = ma mutual interaction These give the existence and strength of all forces There seems to be a myriad of forces we deal with each day - they all can be related to just 4!
Slide 3 - Force Laws Gravity Electricity and Magnetism Strong Nuclear Weak Nuclear
Slide 4 - Gravity Force Distance behavior source of the force cause? receiver - what can feel the force 1/r2 gravitational charge - mass (m) gravitational charge - mass (m) F = Gm1m2/r2 ATTRACTIVE ONLY - LARGE SCALE STRUCTURE/ STABILITY OF THE UNIVERSE
Slide 5 - Electric force Distance source receiver 1/r2 charge(q) charge (q) F= kq1q2/r2 ATTRACTIVE AND REPULSIVE - STABILITY OF THE ATOM/MOLECULES/MATTER
Slide 6 - Strong Force Distance source receiver Scotch tape 10-13cm many “charges” many “charges” ?????????????? ATTRACTIVE AND REPLUSLIVE STABILITY OF ATOMIC NUCLEOUS
Slide 7 - Weak Force Distance source receiver Scotch tape 10-16cm many “charges” many “charges” ???????????????? Radio active decay - instability of matter
Slide 8 - Range Gravity E & M Strong Weak Infinite Infinite Short 10-13 cm Very short 10-16 cm
Slide 9 - Strength Strong E & M Weak Gravity 1 10-2 10-13 10-42
Slide 10 - Mediators Strong E & M Weak Gravity Gluons Photons Weakons Gravitons Exchange particles (1949) vs. Action at a distance /field concept (19th century)