work done is equal to the change of graviational potential energy here: mgh
In general, work is force*distance*cosineAnglebetween force and distance.
A 1.1 kg book is lying on a 0.77 m -high table. You pick it up and place it on a bookshelf 2.3 m above the floor.
1. How much work does gravity do on the book?
2. How much work does your hand do on the book?
How do you find work?
2 answers
2.6
1 answer