Asked by Jurgen
1. How much (Power/Force) is required to lift 8Kg 12meters up within 15sec?
2. Can you tell me difference Power Force from that question or anyway simple?
2. Can you tell me difference Power Force from that question or anyway simple?
Answers
Answered by
Damon
force = m g = 8 (9.81)
work = potential energy gained = m g h = 8 (9.81)(12)
power = work/time
= 8 (9.81)(12)/15
If for some incomprehensible reason you really ant power/force, divide
12/15
work = potential energy gained = m g h = 8 (9.81)(12)
power = work/time
= 8 (9.81)(12)/15
If for some incomprehensible reason you really ant power/force, divide
12/15
Answered by
Jurgen
im trying to understand difference between power and force. if force is 8x9.8 thn there will be downforce. but this mass is going up which should be counter to the downforce. so liftforce is clearly greater thn downforce. Please explain clearly.
Answered by
Anonymous
I assume that the mass is going up at constant speed. Therefore the force is m*g up to balance the weight of m*g down.
Power is another thing entirely, energy per unit time.
Power is another thing entirely, energy per unit time.
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