O/A Level Physcs

Vibrations and Waves Summary of Terms: Sine Curve: A wave form traced by simple harmonic motion that is uniformly moving in a perpendicular direction, like the wavelike path traced on a moving conveyor belt by a pendulum swinging at right angles about the moving belt. Amplitude: For a wave or vibration, the maximum displacement on either side of the equilibrium (midpoint) position. Wavelength: the distance between successive identical parts of a wave Frequency: For a body undergoing simple harmonic motion, the number of vibrations it makes per unit time. For a series of waves, the number of waves that pass a particular point per unit time. Frequency = 1/Period -or- Period = 1/Frequency hertz (Hz): unit of frequency; one vibration per second is 1Hz Period: The time required for a vibration or a wave to make a complete cycle Wavespeed: The speed with which waves pass by a particular point frequency x wavelength

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Gravity Kepler's Laws of Planetary Motion: 1] Each planet moves in an elliptical orbit with the sun at one focus 2] The line form the sun to any planet sweeps out equal areas of space in equal time intervals 3] The squares of the times of revolution (days, months or years) of the planets are proportional to the cubes of their average distances from the sun. Law of Universal Gravitation: Every mass in the universe attracts every other mass with a force that for two masses is directly proportional to the product of their masses and inversely proportional to the square of the distance separating them F = (G(m1*m2))/d^2 Inverse-Square Law: A law relating the intensity of an effect to the inverse square of the distance from the cause. Intensity ~ 1/distance`2 Gravity follows an inverse-square law, as do the effects of electric, magnetic, light, sound, and radiation phenomena Weightlessness:condition wherein gravitational pull appears to be A lacking. Spring Tide: A high or low...

Rotational Motion Rotational Inertia: That property of an object to resist any change in its state of rotation. If at rest the body tends to remain at rest; if rotating, it tends to remain rotating and will continue to do so unless acted upon by a net external torque. Torque: The product of force and lever-arm distance, which tends to produce rotation. Center of Mass: The average position of mass or the single point associated with an object where all its mass can be considered to be concentrated. Center of Gravity: The average position of weight or the single point associated with an object where the force of gravity can be considered to ace. Usually the same place as the center of mass. Equilibrium: The state of an object when not acted upon by a net force or net torque. An object in equilibrium may be at rest or moving at uniform velocity; that is, not accelerating. Centripetal Force: A center-seeking force that causes an object to follow a circular path F = (mv`2)/r Centrif...

A Level Physics The A Level Physics course takes you into the heart of what is widely regarded as the most fundamental of all sciences. Studying physics can see you grasping the scope of massive galaxies or probing the tiniest component particles of atoms. Physics is the study of how everything works and the basic rules of the universe and is full of challenges and opportunities. A Level Physics   can also lead to a wide range of career opportunities. Course overview In this A Level Physics course you’ll build on your existing knowledge of foundation physics and expand your physics studies into more complex areas. You’ll look at particles and quantum phenomena, electricity, materials and waves. You’ll also study the physics of fields and mechanics, before exploring the fascinating areas of nuclear physics, thermal physics and astrophysics. As well as theoretical learning, the A Level Physics course will help you develop investigative and practical skills as you ...