Download presentation

Presentation is loading. Please wait.

Published byOwen Gardner Modified over 4 years ago

1
September 24 AP physics

2
Exam retake…

3
October 1 In: A 20 kg box is pushed 10 meters across a floor with a coefficient of friction of.5 with a force of 3000 N? How fast is it going at the end?

4
Objective: What is work? SC: Be able to solve work problems

5
Types of Energy: Work

6
Work

7
Notes: Work=force x distance Force and distance must be in the same direction

8
Problem: A windmill pumps 200 kg of water a distance of 10 meters high. How much work did it do?

9
Problem: A boy picks up a 10 kg box 1 meter and carries it 20 meters to a shelf. The shelf is 2 meters high. After he puts it on the shelf, how much work did he do?

10
Problem: The same boy picked up the same box 2 meters, carried it 10 meters across a room and the put it on the 2 meter shelf. How much work was done?

11
Problem: The same boy picked up the same box 2 meters, carried it 40 meters across a room and then lowered it down and put it on a 1 meter shelf. How much work was done?

12
problem: A 10 kg box is pushed up a ramp with a incline of 30 o to a height of 10 meters. The distance up the ramp was 20 meters. What was the work done? 10 m 20 m

13
problem: A 10 kg box is picked up and set at the top the ramp, 10 meters high. What was the work done? 10 m 20 m

14
Problem: A suitcase is pushed at an angle of 30 o from the horizontal with a force of 10 N for a distance of 30 meters. How much work was done?

15
Turn to your neighbor Summarize what you have learned about work

16
Out: An excavator picks up a 1000 kg piece of conduit 5 meters high. How much work was done?

Similar presentations

OK

Hour Exam 2 Review 9:00 Exam is Tomorrow (Wednesday) at 7:00 pm.

Hour Exam 2 Review 9:00 Exam is Tomorrow (Wednesday) at 7:00 pm.

© 2018 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on famous indian entrepreneurs in usa Ppt on desert development programme Ppt on object-oriented programming definition Ppt on ganga action plan download Ppt on you can win if you want Download ppt on indus valley civilization government Ppt on regular expression test Convert word doc to ppt online reader Ppt on introduction to c programming Ppt on indian economic growth since 1990