Aboy is pushing forward on a crate with a force of 100 newtons. the reaction force is
1.the crate pushing back on the boy with a force of 100 newtons.
2.the crate moving forward at a constant rate.
3.the crate remaining at rest with a weight of 100 newtons.
4.the crate accelerating 10 m/s2 forward.

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

Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is