1 point A painter is using a ladder so he can reach the second story of a house.
The ladder is leaning against the outside wall of the house. What force
below most accurately describes why the ladder is not falling through the
wall and eventually onto the ground? *
gravitational force
frictional force
normal force
tension force

Apositive rod is placed to the left of sphere a, and the spheres are separated. which best describes the spheres? sphere a is negative and sphere b is positive because protons from sphere a are attracted to the rod and move to sphere b. sphere a is negative and sphere b is positive because electrons from sphere b are attracted to the rod and move to sphere a. sphere a is positive and sphere b is negative because electrons from the rod move to sphere b and protons then move to sphere a. sphere a is positive and sphere b is negative because protons move from sphere b to the rod and also to sphere a.

Bone-strengthening physical activity done increases bone-mineral content and bone density in youth.

Explain in physical terms how a microwave oven works. what would happen when you put a conductor in the microwave oven? explain.