183462
Descripción
Fichas por fahimarehman04, actualizado hace más de 1 año
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Creado por fahimarehman04
hace alrededor de 11 años
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| Pregunta | Respuesta |
| What is the formula for work? | Work done= force *distance moved in direction of force. Work is done when a force moves an object in direction in which force acts. |
| What's formula for weight? | Weight = mass *gravitational field strength. Weight is measure of the gravitational attraction on the body acting towards centre of earth. |
| What is formula for power? | Power= work done/time taken. Power is the rare at which work is done. Work done= power*time. Time taken=work done/power. |
| Why are some cars more powerful than others? | More powerful cars have greater fuel consumption. |
| How dos fuel pollute the environment? | Car exhaust gases like carbon dioxide are harmful. Carbon dioxide is a major source of greenhouse gases which contribute to climate change. |
| What are the formulas that relate force and speed to power? | Power=work done/time taken=force*distance/time taken=force*distance/time= force*speed. |
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