Mass And Weight
Bayani Gaba-gaba
Step on a bathroom scale on Earth, then imagine doing the same on the Moon: the number would drop to about a sixth, yet you would still be made of exactly the same amount of stuff. That puzzle is the heart of this topic. Mass and weight feel like the same thing in everyday life, but in physics they are completely different quantities with different units.
Here you will learn to separate the two cleanly, define gravitational field strength, and use the equation that links weight to mass. By the end you will be able to calculate the weight of any object, explain why your mass never changes while your weight depends on where you are, and compare masses using a simple balance.
Manufura
- [Core] State that mass is a measure of the quantity of matter in an object
- [Core] State that weight is the gravitational force on an object that has mass
- [Core] Define gravitational field strength g as the gravitational force per unit mass; recall and use the equation W g = m and know that near to the surface of the Earth, g is approximately 9.8 N / kg
- [Supplement] Describe, and use the concept of, weight as the effect of a gravitational field on a mass
- [Supplement] Know that gravitational field strength is equivalent to the acceleration of free fall
Takardar Darasi
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Nazarin Darasi
Barka da kammala darasi akan Mass And Weight. 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.
- Which statement about mass is correct? A. it is a force measured in newtons B. it changes on the Moon C. it is the quantity of matter, measured in kilograms D. it equals weight Answer: C
- An object of mass 5 kg is on Earth where g = 9.8 N/kg. Its weight is: A. 5 N B. 0.51 N C. 49 N D. 9.8 N Answer: C
- Gravitational field strength is defined as: A. mass per unit force B. force per unit mass C. weight times mass D. mass times acceleration Answer: B
- A 10 kg mass is moved from Earth to the Moon. Which quantity stays the same? A. weight B. gravitational field strength C. mass D. the force of gravity on it Answer: C
- The unit of gravitational field strength is: A. N B. kg C. N/kg D. m/s Answer: C
Akwai a cikin manhajar Green Bridge
Zazzage manhajar Green Bridge CBT a wayar ka ko kwamfyuta ka don samun cikakkiyar bayanan darasi, tambayoyin aiki, da ƙari.
Akwai a cikin manhajar Green Bridge
Zazzage manhajar Green Bridge CBT a wayar ka ko kwamfyuta ka don samun cikakkiyar bayanan darasi, tambayoyin aiki, da ƙari.
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