Plzzxzzz hel. Normal Force
The gravitational force (F) is the force of gravity in
Newtons pulling on an object. Remember mass is
NOT a force. It is calculated by F, =ma,
Using the diagram at the left, calculate the gravitational
force. INCLUDE PROPER UNIT
2N
2 kg
12N
F =
The normal force (F) is the force that opposes
gravity. It is the force keeping your chair from falling
through the floor right now. Assuming the mass is
NOT moving vertically, what is the normal force acting
on the mass? (Remember Newton's 1Law of Motion)
INCLUDE PROPER UNIT
Gravitational
Forca
F =
If this object is being pushed to the right, 12 N is the applied force (F). 12 N is the force
applied to the object to make it move. Since it is being pushed to the right, 2 N is the frictional
force (). The frictional force is the force that opposes the motion.
By looking at a free body diagram like the one above we can calculate the net force (F...) acting
on an object. The net force is the sum of the forces acting in both dimensions, vertically and
horizontally in this case. What are the net forces acting on this object in the x and y direction?
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