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The Force is with You. TAKS Objective Four. TAKS Objective 4 – The student will demonstrate an understanding of motion, forces, and energy. Associated TEKS. 8.7 The student knows that there is a relationship between force and motion. The student is expected to:

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Taks objective four
TAKS Objective Four

TAKS Objective 4 – The student will demonstrate an understanding of motion, forces, and energy.


Associated teks
Associated TEKS

8.7 The student knows that there is a relationship between force and motion. The student is expected to:

  • demonstrate how unbalanced forces cause changes in the speed or direction of an object's motion.


Learning objectives
Learning Objectives

  • The learner will apply the laws of motion to real world examples.

  • The learner will identify size and direction of a force.

  • The learner will determine if motion is constant or accelerated.


Learning objectives1
Learning Objectives

  • The learner will use equipment to measure time and distance so that the motion of the object can be determined.

  • The learner will used data collected to calculate the speed of an object.

  • The learner will explain the results of applying a force to an object.


Students will use
Students will use

Hover Pucks® to produce near frictionless motion.


Students will use1
Students will use

A digital camera to capture movies and play back using stop frame motion to facilitate measurements.


Students will study
Students will study

One dimensional and

two dimensional motion.


Important concepts
Important Concepts

Motion is often misunderstood.

Consider one-dimensional motion:

Give the Hover Puck® a shove. The motion of the puck will continue with a constant speed and motion until another force is applied.

Remember in an ideal world without friction motion is constant. (Newton’s First Law)


Important concepts1
Important Concepts

Consider two-dimensional motion:

Throwing a football through the air produces two entirely independent motions.

A horizontal motion that follows Newton’s First Law.

A vertical motion due to the force of gravity pulling the ball back to Earth. This is an acceleration motion. It is acted upon by the constant force of gravity and follows Newton’s Second Law (F = ma).


Two d motion
Two-D Motion

Is also called projectile motion.


Definitions
Definitions

  • Velocity – the speed and direction of an object.

  • Acceleration – a change in either the speed or the direction of an object.

  • Force – a push or pull

  • Work – force acting upon an object multiplied by the distance the object moves.


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