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Motion and Speed Notes

Motion and Speed Notes. Objective. Identify different forms of energy. Define motion, speed, force, velocity, and acceleration. TEKS: 6.6(A). The ability to do work is called energy . There are two forms of energy: potential and kinetic. Potential energy is stored energy.

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Motion and Speed Notes

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  1. Motion and Speed Notes

  2. Objective Identify different forms of energy. Define motion, speed, force, velocity, and acceleration. TEKS: 6.6(A)

  3. The ability to do work is called energy. There are two forms of energy: potential and kinetic

  4. Potential energy is stored energy.

  5. Kinetic energy is energy of motion.

  6. Motion is a change in position relative to another object.

  7. Motion can be measured by finding the distance an object moves in a given amount of time which determines the speed.

  8. Speed is measured in units of meters or kilometers (distance) and seconds or hours (time).

  9. The formula for finding speed is distance Speed= time

  10. If a force is applied to a moving object, the object can speed up, slow down or come to a stop.

  11. Force is the push or pull on an object.

  12. A force can also change the direction an object is moving.

  13. When a force changes the speed and the direction an object is moving we use the term velocity.

  14. Velocity is speed with direction.

  15. Acceleration is the term used to describe when an object changes its speed and/or direction.

  16. An object that is falling to earth is subject to a change in accelerationof 9.8 m/s2due to gravity.

  17. 50N 50N Balanced vs. Unbalanced Forces Balanced Force: equal forces acting on an object in opposite directions Unbalanced Force: a nonzero net force that changes an object motion

  18. Unbalanced Forces Balanced Forces Both Change in motion No change in motion Push or pull Change in direction Net force = 0 Net force ≠ 0 Measured in Newtons Change in speed 0 50 N 50 N 10 N 25 35 N Box will not move Box will move to the right

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