Examine the nuclear reaction:
H Why is this classified as a nuclear reaction rather than a chemical reaction?
O It is not balanced
O A new compound is formed.
O A change has occurred in a nucleus.
na slement has been formed.

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque