7th grade
posted by MATHEWS .
A force used to lift a 12kilogram 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?

Force*distance=1040
you know distance, solve for force.
power= 1040/2 watts 
ya but i need answers for questions a and b can u just tell me