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Transcript

when ball is kick the force transferred from the foot to the ball and gives the ball a velocity.

Key Terms

  • Vectors-a quantity having direction as well as magnatude
  • Scalars- having only magnitude,not direction.
  • Distance-an amount of space between two things or people.
  • Displacement-the moving of something from its place or position.
  • Magnitude-the great size or extent of something.
  • Resultant-a force, velocity, or other vector quantity that is equivalent to the combined effect of two or more component vectors acting at the same point.
  • Vector Addition-the process of finding the geometric sum of a number of vectors by repeated application of the parallelogram law.

Vectors and how they are used

Practice

While looking for your hotel,you drive north 7 miles before turning east and driving for another 5 miles. Find the resultant vector.

Formula you need: a2+b2=c2

substitute: (7^2)+(5^2)=74

Then find the square root of the answer: 8.6 is your final answer!

A vector is a physical quantity that has both direcrion and magnitude.

For example an airplane pilot planning a trip must know how far and which way to fly. Velocity is also a vector quantity. To find the velocity,we must specify both its speed and direction

equation

pythagorean theorem

vector addition

Vector

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