The apple is on the ground and it is at rest. What are the two forces acting on the apple?

Gravity is the force that pulls on the apple." Soledad: “There are two forces: the desk pushes up on the apple and gravity pulls downward on the apple.” Misha: “There are many forces acting on the apple; but, it is the holding force in the apple that keeps it on the desk.”

magnityde and direction

when a device is used in a circuit in which the voltage is 81 v, the current flowing through the device is 3 a. what is the resistance of the device?

a. 27 ω

b. 40.5 a

c. 243 ω

d. 243 a

the correct answer is a. 27