Science - Combined - 0653 CIE

Motion

Bayani Gaba-gaba

Everything around you is either moving or could be set moving, and physics begins by describing that motion precisely. How fast is a sprinter going? Is a car speeding up or slowing down? How far does a dropped stone fall in two seconds? Every one of these questions is answered with a handful of equations and two simple graphs.

In this lesson you will define speed, velocity and acceleration, then read and draw distance-time and speed-time graphs with confidence. You will calculate speed from a gradient, distance from an area, and handle free fall and terminal velocity. By the end you should be able to look at a graph and tell its whole story.

Manufura

  1. [Core] Define speed as distance travelled per unit time; recall and use the equation v = s / t
  2. [Core] Recall and use the equation total distance travelled average speed = total time taken
  3. [Core] Sketch, plot and interpret distance-time and speed-time graphs
  4. [Core] Know that an object moving with increasing speed is accelerating, and that an object moving with decreasing speed is decelerating
  5. [Core] Determine, qualitatively, from the shape of a distance-time graph when an object is: (a) at rest (b) moving with constant speed
  6. [Core] Determine, qualitatively, from the shape of a speed-time graph when an object is: (a) at rest (b) moving with constant speed (c) accelerating (d) decelerating
  7. [Core] Calculate speed from the gradient of a straight-line section of a distance-time graph
  8. [Supplement] Define acceleration for an object moving in a straight line as change in speed per unit time; recall and use the equation Δv a = Δt
  9. [Supplement] Determine from given data or the shape of a speed-time graph when an object is moving with constant acceleration
  10. [Supplement] Calculate acceleration from the gradient of a straight-line section of a speed-time graph

Darasin Sauti

Saurari wannan darasi a cikin manhaja

Taswirar tunani

An zana wannan batu don ka ga yadda ra'ayoyi ke hadewa.

Bude taswirar tunani a cikin manhaja

Katunan tunawa

Gwaji mai sauri kan abin da ake jarraba a wannan batu.

Yi atisayen wadannan katuna a cikin manhaja

Takardar Darasi

Motion is the foundation of mechanics: forces, momentum and energy all build on it. Examiners love motion because it links words, equations and graphs at once. Read a speed-time graph correctly and you can pull out speed, acceleration and distance from a single picture, which is why this topic appears in almost every paper.

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Nazarin Darasi

Barka da kammala darasi akan Motion. Yanzu da kuka bincika mahimman raayoyi da raayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.

Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.

Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.

  1. A car travels 150 m in 10 s. Its average speed is: A. 1.5 m/s B. 15 m/s C. 150 m/s D. 1500 m/s Answer: B
  2. On a distance-time graph, a horizontal line means the object is: A. accelerating B. moving at constant speed C. at rest D. decelerating Answer: C
  3. On a speed-time graph, the distance travelled is given by: A. the gradient of the line B. the area under the line C. the highest point D. the time axis intercept Answer: B
  4. A car speeds up from 10 m/s to 30 m/s in 5 s. Its acceleration is: A. 2 m/s2 B. 4 m/s2 C. 6 m/s2 D. 100 m/s2 Answer: B
  5. A skydiver reaches terminal velocity when: A. weight is zero B. drag is zero C. drag equals weight D. the parachute opens Answer: C

Yi aikin wadannan tambayoyi a cikin manhaja

Yi aikin wadannan tambayoyi a cikin manhaja

Littattafan da ake ba da shawarar karantawa

Cambridge IGCSE Physics Coursebook
Cambridge IGCSE Physics Coursebook
Sunaƙa: Third edition
Mai wallafa: Cambridge University Press
Shekara: 2021
ISBN: 978-1-108-88807-3
Bayanan bayanin.: Endorsed coursebook with full coverage of the 0625/0972 syllabus, worked examples and practical skills.
Cambridge IGCSE Physics
Cambridge IGCSE Physics
Sunaƙa: Third edition
Mai wallafa: Hodder Education
Shekara: 2014
ISBN: 978-1-4441-7642-1
Bayanan bayanin.: Endorsed textbook covering the Core and Supplement content with worked examples and questions.

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Wasu ƙungiyoyi ne suka wallafa su ƙarƙashin lasisin buɗe, kuma muna ambaton su yadda suka nema. Hanyoyin suna buɗe shafukansu.

Yi Aikin Tambayoyin Gwaji

Kana son yin aikin tambayoyin gwaji kan Motion? Sauke manhajar Green Bridge CBT don samun tambayoyin gwaji da cikakkun jarrabawa akan wannan batu.

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