1 Semester Review EP I. 2 1 Vector Addition Graphical Algebraic.
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Transcript of 1 Semester Review EP I. 2 1 Vector Addition Graphical Algebraic.
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Semester ReviewEP I
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1 Vector Addition•Graphical
•Algebraic
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BAx BAR coscos
BAy BAR sinsin
22yx RRR
),(180tan 1 IIIIIRR xy
Algebraic Vector Addition
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Kinematics• Displacement, v, a, and Speed• Kinematic Equations (constant accel.)• Graphs of x, v, a versus time.• Motion Diagrams
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Motion Diagrams• velocity vs. position• zero velocity (dot)
Example of Leftward Acceleration
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two-dimensional motion
• General Vector Properties• Polar Vectors: r and Azimuth Angle• r, r, v, a in two dimensions• Projectile Motion• Centripetal and Tangential Acceleration
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Dynamics
• Newton’s Three Laws of Motion• Net Force and Force Diagrams• Mass and Weight• Normal Force• Friction• Tension• Circular Motion• Drag Forces
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Newton’s First Law: constant velocity unless or until acted non-zero Net Force.
Newton’s Second Law:
mF
a
Newton’s Third Law: all forces are interactions, same size, opposite direction
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Force Diagrams
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Force Conventions
• N – normal force of contact• f – frictional force of contact• W – gravitational force of attraction• M – magnetic force• T – tension force• Example: N12 = normal force on “1” due to
contact with object “2”
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Work and Energy
• Work,Power, and Kinetic Energy• Work-Energy Theorem• Work in Terms of the Dot Product• Positive and Negative Work• Potential Energy and Conservative Force• Mechanical Energy and its Conservation• General Energy Conservation
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Impulse and Momentum
• impulse-momentum
• linear momentum conservation
• Types of Collisions
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Rigid Body Rotation• Rotational Motion and Energy• Moments of Inertia • Torque and Newton’s 2nd Law for Rotation
• Angular Momentum and its Conservation
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• omit for final exam
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• static equilibrium of rigid body
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13 Depth and Fluid Pressure• P = Po + gd • , density, kg/m3.
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13 Principles
• Pascal’s: fluid pressure distributed evenly
• Archimedes’: buoyant force = weight of displaced fluid
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Final Review• 8.5”x11” notes f/b• watch units• write formulas• show work• explain/comment clearly for partial credit
• vector addition• motion diagrams
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cont
• one dimensional kinematics• one dimensional dynamics• inelastic collisions• statics• pascal, archimedes• shm• waves• calorimetry
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Chapter 14
• definitions, conditions for, and motion of SHM
• ideal spring, Hooke’s Law• Mechanical Energy
• Resonance• Damping
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• Pulses, pulses on string
• Periodic Waves• Transverse and Longitudinal Waves• harmonic waves and fourier analysis
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• waves and wave speed• interference & phase difference• standing waves and fourier analysis• http://www.youtube.com/watch?
v=HpovwbPGEoo
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• thermal equilibrium• temperature scales• temperature ~ energy • gas thermometer and absolute zero
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• heat, heat capacity• calorimetry• (omit) phase change• 1st law of thermodynamics• mechanical equivalent of heat
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