Physics: Energy Resources And Energy Transfers: Units
Bayani Gaba-gaba
Energy calculations span work, power, kinetic energy, gravitational potential energy and efficiency. Each formula needs its quantities in the correct SI units. Getting mass in grams instead of kilograms or height in centimetres instead of metres will make every answer wrong.
This reference covers the eight SI units for the energy resources and energy transfers section: kilogram, joule, metre, metre per second, metre per second squared, newton, second and watt.
Manufura
- Use the following units: kilogram (kg), joule (J), metre (m), metre/second (m/s), metre/second2 (m/s2), newton (N), second (s) and watt (W)
Takardar Darasi
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- The SI unit of energy is: A) Watt B) Newton C) Joule D) Kilogram Answer: C
- What is 4.5 kW in watts? A) 45 W B) 450 W C) 4500 W D) 45000 W Answer: C
- Power is defined as: A) Force x distance B) Energy transferred per unit time C) Mass x velocity D) Energy x time Answer: B
- One joule is the work done when: A) 1 kg moves 1 m B) A 1 N force moves an object 1 m C) 1 W is applied for 1 minute D) 1 kg accelerates at 1 m/s2 Answer: B
- How many joules in 2.5 kJ? A) 25 J B) 250 J C) 2500 J D) 25000 J Answer: C
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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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