Static, sliding and rolling are types of friction.
when the only force acting on a falling object is gravity, the object is said to be
a. stationary.
b. decelerating.
c. in free fall.
d. a projectile.

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.

What are two different ways you could find the value of a? explain these methods.

The photo shows sugar dissolved into a solution with excess sugar at the bottom of the jar this type of solution is classified as a. unsaturated b. compound c. saturated d. plasma