Answer:
the force of friction = fk = (uk)n = 402(uk)
the net force acting to accelerate bookcase = ma = (41)(0.12) = 4.9 N
the {assumed horizontal} push force = 65 N
so
65 - fk = 4.9
fk = 65 - 4.9 = 60 N
uk = 60/402 = 0.15 <= ANS
Answer:
Gravity always pulls the ball toward the center of earth (the ground).
Explanation:
Answer:
In a tabular column represent the following characteristics of matter-rigidity, compressibility, shape, kinetic energy and density of following substances- brick, honey, air, block of wood, water
Explanation:
Red blood cells contain hermoglobin whiles white blood cells do not. Hermoglobin is what gives it its red color.
REALISM shows things as they REALLY look.