![Draw Draw](https://image.shutterstock.com/image-vector/elevator-260nw-420142561.jpg)
The easiest method is to draw your elevations to the same scale as your floor plans. To make the process a bit easier: Tape your main floor plan drawing to the surface of your work table with the front side of the house facing towards you. Tape the sheet of paper for your elevation drawing just below or above the floor plan. A ramped bar on the side of the elevator shaft activates a series of switches on the outside of the car to slow and stop the car at the proper floor. As the car approaches the desired floor, the ramp activates the slow-down switch, which signals the hoist motor to reduce speed.
1. The problem statement, all variables and given/known data
A man is on an elevator
- Draw a FBD of the man if the elevator accelerates upwards
- Draw an FBD of the man if ele. accelerates downwards
2. Relevant equations
F=m*a
w=mg
3. The attempt at a solution
My FBD For the first one 'elevator accelelartes upwards' means that the net force must point upwards, the only two forces acting are the normal force and the weight force. I know that when you go up the elevator you should feel heavier, which is measuring the magnitude of the normal force
So the normal force will have a greater magnitude pointing 'up' and the weight force will be a smaller arrow pointing down.. as so..
/
|
|
| Normal force
_
|
/Weight force
The second part will be opposite, so you will have a smaller normal force and greater weight force, and will feel lighter than usual because of a smaller normal force acting on you.
First part given by n= may +w
second n=-may +w
Is this correct? is something wrong here?
Thanks
A man is on an elevator
- Draw a FBD of the man if the elevator accelerates upwards
- Draw an FBD of the man if ele. accelerates downwards
2. Relevant equations
F=m*a
w=mg
3. The attempt at a solution
My FBD For the first one 'elevator accelelartes upwards' means that the net force must point upwards, the only two forces acting are the normal force and the weight force. I know that when you go up the elevator you should feel heavier, which is measuring the magnitude of the normal force
So the normal force will have a greater magnitude pointing 'up' and the weight force will be a smaller arrow pointing down.. as so..
/
|
|
| Normal force
_
|
/Weight force
The second part will be opposite, so you will have a smaller normal force and greater weight force, and will feel lighter than usual because of a smaller normal force acting on you.
First part given by n= may +w
second n=-may +w
Is this correct? is something wrong here?
Thanks