Physics: Forces And Motion: Units
Akopọ
Before you can describe how fast something moves or how hard it pushes, you need a shared language of measurement. Physics uses the SI system - a set of standard units that scientists around the world agree on.
In this lesson you will learn the key units used in forces and motion, how to convert between common units, and why using the correct unit matters in calculations and exams.
Awọn Afojusun
- Use the following units: kilogram (kg), metre (m), metre/second (m/s), metre/second2 (m/s2), newton (N), second (s) and newton/kilogram (N/kg)
Àwòrán ọpọlọ
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Oriire fun ipari ẹkọ lori Physics: Forces And Motion: Units. 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.
- The SI unit of force is the: A) Joule B) Watt C) Newton D) Pascal Answer: C
- Speed is measured in: A) m B) m/s C) m/s squared D) kg Answer: B
- To convert km/h to m/s, you: A) Multiply by 3.6 B) Divide by 3.6 C) Multiply by 1000 D) Divide by 60 Answer: B
- The SI unit for pressure is the: A) Newton B) Joule C) Pascal D) Watt Answer: C
- 1 kg is equal to: A) 10 g B) 100 g C) 1000 g D) 10000 g Answer: C
Ṣiṣẹ́ lórí àwọn ìbéèrè wọ̀nyí nínú ohun èlò náà
Ṣiṣẹ́ lórí àwọn ìbéèrè wọ̀nyí nínú ohun èlò náà
Awọn Iwe Itọsọna Ti a Gba Nimọran
Ẹ̀kọ́ síwájú láti àwọn orísun ṣíṣí
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Abala ìwé ẹ̀kọ́
The Language of Physics: Physical Quantities and Units
Associate physical quantities with their International System of Units (SI)and perform conversions among SI units using scientific notation
"Physics: The Language of Physics: Physical Quantities and Units" 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/1-3-the-language-of-physics-physical-quantities-and-units. Access for free at https://openstax.org/books/physics/pages/1-introduction
Àwọn àjọ mìíràn ló tẹ̀ wọ́n jáde lábẹ́ ìwé àṣẹ ṣíṣí, a sì dá wọn lọ́lá bí wọ́n ṣe béèrè. Àwọn ìjápọ̀ ń ṣí ojú òpó wọn.
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