M * g * 1.2 meters (by the person)
No work is done during the horizontal motion.
Work done by gravity is the same, with a minus sign.
A person lifts a 5.2 kg cement block a vertical distance 1.2 m and then carries the block horizontally a distance 7.3 m. Determine the work done by the person and by the force of gravity in this process.
2 answers
Equals 3.14 over 8 over the power of 1/2.
2 answers