Movement And Position
Akopọ
How fast is it going? Is it speeding up or slowing down? How far will it travel? These are the questions that launched physics as a science, and they are still the ones you will answer most often in your Edexcel exam. This topic gives you the language and the equations to describe any straight-line motion precisely.
You will learn to read and draw distance-time and velocity-time graphs, calculate speed and acceleration from first principles, and use the key equations - including the powerful relationship between final speed, initial speed, acceleration and distance. Every worked example uses the method examiners reward: state the equation, substitute, solve, and check units.
Awọn Afojusun
- Plot and explain distance-time graphs
- Know and use the relationship between average speed, distance moved and time taken: average speed = distance moved / time taken
- Investigate the motion of everyday objects such as toy cars or tennis balls
- Know and use the relationship between acceleration, change in velocity and time taken: acceleration = change in velocity / time taken, a = (v - u) / t
- Plot and explain velocity-time graphs
- Determine acceleration from the gradient of a velocity-time graph
- Determine the distance travelled from the area between a velocity-time graph and the time axis
- Use the relationship between final speed, initial speed, acceleration and distance moved: v2 = u2 + (2 x a x s)
Àwòrán ọpọlọ
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Ìdánwò Ẹ̀kọ́
Oriire fun ipari ẹkọ lori Movement And Position. Ni bayi ti o ti ṣawari naa awọn imọran bọtini ati awọn imọran, o to akoko lati fi imọ rẹ si idanwo. Ẹka yii nfunni ni ọpọlọpọ awọn adaṣe awọn ibeere ti a ṣe lati fun oye rẹ lokun ati ṣe iranlọwọ fun ọ lati ṣe iwọn oye ohun elo naa.
Iwọ yoo pade adalu awọn iru ibeere, pẹlu awọn ibeere olumulo pupọ, awọn ibeere idahun kukuru, ati awọn ibeere iwe kikọ. Gbogbo ibeere kọọkan ni a ṣe pẹlu iṣaro lati ṣe ayẹwo awọn ẹya oriṣiriṣi ti imọ rẹ ati awọn ogbon ironu pataki.
Lo ise abala yii gege bi anfaani lati mu oye re lori koko-ọrọ naa lagbara ati lati ṣe idanimọ eyikeyi agbegbe ti o le nilo afikun ikẹkọ. Maṣe jẹ ki awọn italaya eyikeyi ti o ba pade da ọ lójú; dipo, wo wọn gẹgẹ bi awọn anfaani fun idagbasoke ati ilọsiwaju.
- What does the gradient of a distance-time graph represent? A) Acceleration B) Speed C) Distance D) Force Answer: B
- A car decelerates from 30 m/s to 10 m/s in 4 s. What is the acceleration? A) 5 m/s squared B) -5 m/s squared C) 10 m/s squared D) -10 m/s squared Answer: B
- On a velocity-time graph, what does the area under the line represent? A) Speed B) Acceleration C) Distance D) Force Answer: C
- An object travels 200 m in 25 s. What is its average speed? A) 5 m/s B) 8 m/s C) 25 m/s D) 175 m/s Answer: B
- A horizontal line on a velocity-time graph means the object is: A) Stationary B) Accelerating C) Moving at constant velocity D) Decelerating Answer: C
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Awọn Iwe Itọsọna Ti a Gba Nimọran
Ẹ̀kọ́ síwájú láti àwọn orísun ṣíṣí
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Abala ìwé ẹ̀kọ́
Velocity vs. Time Graphs
Explain the meaning of slope and area in velocity vs. time graphs
"Physics: Velocity vs. Time Graphs" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/physics/pages/2-4-velocity-vs-time-graphs. Access for free at https://openstax.org/books/physics/pages/1-introduction
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Abala ìwé ẹ̀kọ́
Position vs. Time Graphs
Explain the meaning of slope in position vs. time graphs
"Physics: Position vs. Time Graphs" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/physics/pages/2-3-position-vs-time-graphs. Access for free at https://openstax.org/books/physics/pages/1-introduction
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Ṣe o fẹ ṣe adaṣe awọn ibeere idanwo adaṣe nipa Movement And Position? Ṣe igbasilẹ ohun elo Green Bridge CBT lati wọle si awọn ibeere idanwo adaṣe ati awọn ayẹwo adaṣe kikun fun koko-ọrọ yii.
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