The amount of frictional force is dependent on a. the surface the object is on
b. the surface of the object
c. the normal force
d. a and b
e. all of the above

How can one distinguish breccia from conglomerate? a. breccia contains angular clasts and conglomerate contains rounded clasts. b. breccia contains rounded clasts and conglomerate contains angular clasts. c. different minerals cement breccia than cement conglomerate. d. breccia contains sand and conglomerate contains silt.

What is the final velocity of the initial velocity of 25 and -50?

An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?