The weight of the block in the drawing is 88.9N. The coefficient of static friction between the block and the verticalwall is 0.560. What minimum force F is required to: a. Prevent the block from sliding down the wall.
b. Start the block moving up the wall?

answer and explanation;

composition refers to both the types of minerals within a rock and the overall chemical makeup of the rock while texture refers to the size and arrangement of the minerals or grains that make up a rock. both composition and texture can be used to classify rocks, such as igneous rocks. texture describes how the rock became solid or crystallized from liquid, melted rock. composition of a rock describes the minerals that make up a particular rock.

Sorry i don’t know what to do