Choose all of the examples of balanced forces. This is for science A chandelier has been hanging in the kitchen for years
A log floats on top of the lake
You place your book on the top of a flat table
Your wagon rolls down the hill
The wind blows and turns the turbines of a windmill.

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

Match the description of each organism to the appropriate category

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits