Which is a “big idea” for matter and change?

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

Aphysical change is a change in the size, shape,, or stafe of matter true or false

Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?