Posted by **MATHEWS** on Tuesday, November 9, 2010 at 7:41pm.

A force used to lift a 12-kilogram mass to a height of 8 meters in 2 seconds does 1040 joules of work.

QUESTIONS:

A;How much force is used?

B;What power is developed?

- 7th grade -
**bobpursley**, Tuesday, November 9, 2010 at 7:43pm
Force*distance=1040

you know distance, solve for force.

power= 1040/2 watts

- 7th grade -
**MATHEWS**, Tuesday, November 9, 2010 at 7:49pm
ya but i need answers for questions a and b can u just tell me

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