Unit 5 - Forces in Equilibrium

This picture represents what we learned in class. We learned a lot about triangles, vectors and trigonometry and to do all this we had to use our calculators a lot especially the sin, cos, and tan buttons.

Today's class was like a math lesson. It was all about trig. We started off my reviewing vectors.
Vectors are equivalent if they have the same magnitude and direction. 2 vectors and the resultant of the two vectors make a right triangle. By using an angle, and a side you can figure out the other angles and the other sides of the triangle. You can figure out the sides and angles of the vector made triangle by using TAN, SIN & COS

tan= opposite/ adjacent
sin= opposite/ hypotenuse
cos= adjacent/hypotenuse

 We learned a few rules for vectors

1) Break up all diagonals=Bureku
2) Add all values together to get the sum of resultant (axis are still independent)
3. Ukerub- make 2 vectors into one. take x and y sums and create a new vector

This photo represents what we learned today about forces. 

We also learned about forces.
 a force is a push or pull (vector quantity, has direction  & magnitude.
Forces in Equilibrium (balanced force)
- objects that are not accelerating are in equilibrium
      •means they are not moving faster or slower or turning.
A normal force is a supporting force that is perpendicular to the surface the object is on. We learned one of Neutons laws. Neutons first law or the law o inertia states objects in motion (or at rest) will tend to stay in motion (or at rest) unless acted upon by an outside unbalanced force.