Khan Academy Free Body Diagram

Sal draws a free body diagram for a box held stationary against a wall with a force at an angle theta. Another way that you might see it is like this where you see the body.

Types Of Forces And Free Body Diagrams Video Khan Academy

Lets say i have some type of a block here.

Khan academy free body diagram. Youll hear the terms balanced forces and unbalanced forces a lot when youre dealing with physics and what i wanna do in this video is give you a bunch of scenarios and have you think about whether the forces in these scenarios are balanced or unbalanced. And to be clear this five newtons this is equal to the weight the magnitude of the weight of the object. Practice choosing the correct free body diagram for an object.

And lets say this block has a mass of m. Here is an example of a free body diagram for a block of cheese resting on a table see figure 2 below. So the mass of this block is equal to m.

This is another way that you might see free body diagrams drawn. So lets start with the scenario where we. If youre seeing this message it means were having trouble loading external resources on our website.

And its really important to see that because notice in the free body diagram all you see is the block. So that was pretty straightforward the free body diagram for just the block. If youre seeing this message it means were having trouble loading external resources on our website.

So in this situation you have ten newtons downward and you would have ten newtons upward. Sal draws a free body diagram for a box held stationary against a wall with a force at an angle theta. But now lets draw the free body diagram for the shelf.

And its sitting on this you could view this is an inclined plane or a ramp or some type of wedge. And from the outside of the body you see the vectors being drawn. Gravity pulls down on the cheeses mass with weight w w w and the table pushes up on the cheese with a normal force n n n.

Breaking Down Forces For Free Body Diagrams Video Khan Academy