Day 1 Weds 1-23-08 PHYS 151Q.005 I Units of Measure Two systems of Measure English System- Feet-ft Pound-lb Gallon-g Metric System- also known as SI unit or MeterKilogramSecond. These include meter, kilogram, and liter. What is a meter? Originally th
Prelab 8
8.1
a) The lever arm would be the length of the wrench
b) The torque is expressed as =rFsin where theta is the angle between the length of
the lever arm (r) and the force applied F. The torque is maximized when is equal to 90
degrees. So the forc
Pre Lab Activity 1
1) In order to create a formula in excel you have to begin with an equal sign in the box you
wish to input the formula. Then you can use an existing pre-functionalized key to be the
equation for the data you will select or you can write
Day 9 Wed 2/14/2008 PHYS 151Q.005 Free Body Diagrams Continued
Spring Force Hooke's Law In physics, Hooke's law of elasticity is an approximation that states that the amount by which a material body is deformed (the strain) is linearly related to t
Day 9 Mon 2/11/2008 PHYS 151Q.005 Newton's 3rd Law
If an object A exerts a force FA on object B, hen Object B MUST exert an opposite directed
force FB on object A. Also FA
Normal Force
FB
The reaction force at contact surface
Force FN ( N )
Day 8 Fri 2/8/2008 PHYS 151Q.005
Ting was a bit all ovver the place today and as usual had problems explain instead of words. So I put these excerpts from the book he uses also the examples he put up. Hope this helps. By the way the 1st midterm exam
Day 7 Wed 2/6/2008 PHYS 151Q.005 Chapter 4. Force and Motion Super Mario and his Evil Gun Mario is doing his famous "A-Jump" with velocity (3m/s, 4m/s) at his old fashion 2D world. At the same time, there is an evil gun shooting a shell 30 m in front
Day 6 Mon 2-4-08 PHYS 151Q.005 3.3 Relative motion Your velocity is relative to whatever your frame of reference is. If you are in a plane walking down the aisle let 4 km/h and the plane is going 1000km/h, you are going 1004 km/h relative to the grou
Day 5 Fri 2-1-08 PHYS 151Q.005 4.7 A sailboat race course consists of four legs defined by the displacement vectors A, B, C and D as the drawing indicates. The magnitude of the first three vectors are A-3.2km, B=5.1km and C- 4.8km. The finish line of
Day 3 Mon 1-28-08
PHYS 151Q.005
2.4 Constant Acceleration
When a is constant, here are important equations
v f = vo + at
x − xo = d
1
x − xo = vot + at 2
2
2
2
v f = vo + 2a ( x − xo )
Ex 2-3.
A jetliner touch down at 270km/h, the deceleration of plane is
Day 2 Fri 1-25-08 PHYS 151Q.005 IDEA I = interpret "eye" Read carefully/collect info D = Develop "Draw" Visualize Problem/Draw a diagram E = Evaluate "equation" Figure out which equations you need A = Assess "ask" Ask yourself if the answer makes sen
Pre-Assignment 1
1. In order to create a scatter plot in excel, you first want to ensure that your data is already
organized and that you know which axis each data should correspond with. Then you should
click on insert in the toolbar, then find chart typ