Aconstruction company is building a new neighborhood. throughout the neighborhood there is exposed dirt. what will most likely happen to the exposed dirt? a) it will start growing weeds. eliminate b) it will be washed away by rain. c) it will become contaminated by oil. d) rocks will damage construction equipment.

You are your friend move a new refrigerator into his kitchen. you apply a horizontal force of 252 n in the negative x direction to try and move the 56 kg refrigerator. the coefficient of static friction is 0.61. (a) how much static frictional force does the floor exert on the refrigerator? give both magnitude (in n) and direction. magnitude n direction (b) what maximum force (in n) do you need to apply before the refrigerator starts to move?