Lesson 10/6
Presentation
•
Physics
•
9th - 12th Grade
•
Easy
Standards-aligned
Bryan Hood
Used 5+ times
FREE Resource
7 Slides • 3 Questions
1
Lesson 10/6
Apparent Weight
2
Open Ended
Journal - How would an elevator affect your weight?
3
5-minute review
Questions about yesterday's assignment?
4
Apparent weight
How are some ways we can change the weight on a scale?
5
Apparent Weight in an Elevator
Let's look a a quick video over this
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7
Problem-Solving Strategies
Read the problem carefully and sketch a pictorial model
Circle the system and choose a coordinate system
Determine which quantities are known and which are unknown
Create a physical by drawing a motion diagram showing the direction of acceleration.
Create a free-body diagram showing all the forces acting on the object.
Use Newton's Laws to link acceleration and Net force.
Rearrange the equation to solve for the unknown quantity
8
Open Ended
Example Problem - Your mass is 75.0 kg, and you are standing on a bathroom scale in an elevator. Starting from rest, the elevator accelerates upward at 2.00 m/s2 for 2.00 s and then continues at a constant speed. Is the the scale reading during acceleration greater than, equal t, or less the the scale reading when the elevator is at rest?
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Apparent Weight Practice Problems
10
Open Ended
Exit Ticket - Virtual Students try to find a clothespin, or a paperclip, and some string for tomorrow. What would be your apparent weight if your in an elevator and the cable broke from the top floor and you in free fall?
Lesson 10/6
Apparent Weight
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