Newton’s second law an object of mass m Free-body diagram.
What Hath Befallen Gravity? Topic 4. Newton’s rules for the study of natural philosophy 1.Simplicity 2.Generality 3.Experimental verification 4.Theories.
Chapter 22: Black Holes Einstein’s relativity: –Special –General –Relativity and black holes Evidence of black holes Properties of black holes Long-time.
Physics 151 Week 10 Day 2 Topics: Apparent Weight & Conservation of Energy Apparent Weight Conservation of Energy.
Review F N = 20 N F G = 20 N 1.) What is the net force on the object? 2.) Are the forces balanced or unbalanced? 3.) Will the object move?
Chapter 4
GRAVITATION FORCES IN THE UNIVERSE 1.Gravity 2.Electromagnetism * magnetism * electrostatic forces 3. Weak Nuclear Force 4. Strong Nuclear Force Increasing.
Tension
Warmup. Force Affects on Velocity and Acceleration.
Chapter 4 Motion With a Changing Velocity. P2.27: Find the magnitude and direction of the vector with the following components: (a) x = -5.0 cm, y = +8.0.
Newton’s second law
Slide 3-1 Chapter 3 Acceleration © 2015 Pearson Education, Inc.
