Energy - Energy Problems with Work

Question 1

Work and ME

Answer 1

• if there IS an outside force (other than gravity) doing Work on an object, the Work adds to its ME
• • W adds to ME
• -W takes away from ME

Question 2

Mechanical E with Work

Answer 2

• If an outside force (other than gravity) does work on an object
• ME_f = ME_i + W