'Kgm 2' presentation slideshows

Chapter 8: Torque and Angular Momentum

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Rotational Motion

Rotational Motion. NCEA AS 3.4 Text Chapter: 4. The Sun. Use the information you have absorbed this year to estimate the size of the sun. Need a hint?. CD Study. The CD reads from the inside to the outside. They used to read 4.3 mega bytes per second.

556 views • 46 slides

x cg = (W 1 x 1 + W 2 x 2 + . . .)/ (W 1 + W 2 . . .)

The center of gravity of an object is the point at which its weight can be considered to be located. x cg = (W 1 x 1 + W 2 x 2 + . . .)/ (W 1 + W 2 . . .).

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Plan for Today (AP Physics 1)

Plan for Today (AP Physics 1). Go over tests Lecture/Notes on Work and Energy. Test Results. Average: 86.6 Without the curve: 82 percent 25 As. Students do the following. Curl a bowling ball 10 times Take a bowling ball to the water fountain and back Push a brick across a table. Vote.

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Carbonate sediment supply on oceanic islands: A model and its applications

Carbonate sediment supply on oceanic islands: A model and its applications. Jodi N. Harney Charles H. Fletcher University of Hawaii Dept. of Geology and Geophysics. OUTLINE. Introduction, objectives, and approach in Kailua Bay, Oahu Methods Applications Conclusions. Substrate mapping

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Boundary layer observations in West Africa using a ground-based 14-channel microwave radiometer

Boundary layer observations in West Africa using a ground-based 14-channel microwave radiometer. Bernhard Pospichal and Susanne Crewell University of Cologne pospichal@meteo.uni-koeln.de. Bernhard Pospichal, MicroRad 2008. AMMA-African Monsoon Multidisciplinary Analyses.

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Rotational Dynamics

Rotational Dynamics. Torque & Angular Acceleration AH Physics. Torque. A force that produces a turning effect on an object is called a torque. The turning effect depends on: Size of the force (F) acting perpendicular to the rotation. Distance from the axis of rotation to the force (r).

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Work

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Measurements in PHYSICS

Measurements in PHYSICS. Time. seconds (s). Length. meters (m). Mass. kilograms (kg). Velocity. v = D d/ D t (m/s). Acceleration. a = D v/ D t (m/s 2 ). Force. F = ma (N) = kgm/s 2. Pressure. P = F/area (Pa) = N/m 2 = kg/ms 2. Work. W = Fd (J) = kgm 2 /s 2.

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§ 3 、

§ 3 、. 动量 矩 守恒定律. 一、力矩 M. 已知 : 力 F ，作用点位矢 r ，力臂为 d. M. =. F. d. =. F. r. sin. j. M. F. F. r. M. =. F. ×. j. r. 0. r. 四指由 r 转向 F. d. 拇指为 M 正方向. 单位： kgm 2 s -2. 则：力对原点力矩. 方向：用右手定则判断：. 二、动量矩 L. 已知 : 质点质量为 m, 位矢为 r ， 速度为 v. mv. P. L. =. =. m. P.

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210 views • 9 slides