Aforce of 20 newtons is exerted on a chair from its right and a force of 12 newtons is applied from
chair and in what direction will the chair tend to move?
a. the net force acting on the chair is 8 newtons, and the chair moves toward the left.
b. the net force acting on the chair is 32 newtons, and the chair moves toward the left.
c. the net force acting on the chalr is 8 newtons, and the chair moves toward the right:
d. the net force acting on the chair is 32 newtons, and the chair moves toward the right.

The net force acting on the chair is 8 newtons, and the chair moves toward the left.

Explanation:

We can better understand this problem if we analyze it through a free body diagram. This free body diagram is attached as an image.

If we make a sum of forces acting over the chair we can find -20 + 12 = -8 [N]

The minus sign indicates that the chair is moving to the left.

gpe = mass x gravity constant x height or… gpe = mgh

where… mass: measured in kilograms (kg)

gravity: gravity constant on earth = 10.00 m/s2

height: measured in meters (m)

gpe: measured in joules (j) or kilojoules (kj)

how do you solve gpe?

gravitational potential energy (gpe) is the energy an object has because of its position above the. ground.

gpe = mass x gravity constant x height or… gpe = mgh.

mass:

note: to earn full marks when solving science word problems, you must show your work:

formula.

example:

given values:

mass = 0.3 kg.

i think the answer is a, hope this : )