7/27/2019 Lesson Plan in Kinematics

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Rch2

Lesson PlanInPhysics

Prepared By: Jerico R. Martinez

BSED 2U

7/27/2019 Lesson Plan in Kinematics

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LAGUNA STATE POLYTECHNIC UNIVERSITY

SAN PABLO CITY CAMPUSDel Remedio, San Pablo City

I. OBJECTIVESAt the end of the lesson, the students should be able to:

a) Identify the units for speed, acceleration, time, final velocity, initial velocity, and distance.b) Differentiate kinematics equation.c) Measure the distance, acceleration and elapsed time intervals for a variety of objects.

II. SUBJECT MATTERa) TOPIC

1.Kinematics Speed and Velocity Scalar and Vector quantities Distance and Displacement Acceleration Kinematic equations

III.LEARNING ACTIVITIESa) PREPARATORY ACTIVITIES (DAILY ROUTINE)

PRAYERTEACHER STUDENTS

- Before we start, lets first have aprayer. Charis, please lead the prayer.

- Classmates, let us bow our head andfeel the presence of God. Lord, thank

you for this wonderful day. Thank you

for the classmates and teacher we have.Please guide us in our discussion;

please give us courage to understand the

lesson. Please guide our teacher in histeaching. Give him the knowledge and

strength to execute his lesson. Lord,

forgive us for all the sins we commitand please lead us to a place far away

from disgrace and near your divine

love.

- Amen.- Thank you Charis. You may take your

sit.

GREETINGSTEACHER STUDENTS

- Good morning class. - Good morning sir.REVIEW OF PAST LESSON

TEACHER STUDENTS

- In our previous lessons, we learned thatMechanics is a sub branch of classicalphysics. It is divided into three parts

which are? Anyone?

- Yes?-

Sir!

- Sir, it is divided into Kinematics,Dynamics, and Static.

- Very good! Whereas, Kinematicsfocuses on the motion of a bodywithout regards the cause of the motion

while Dynamics focuses on the way in

which force produce motion and Staticsdeals with the way in which forces

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combine with each other so as to

produce equilibrium.

- Did you understand? - Yes sir!

b) MOTIVATIONTEACHER STUDENTS

- Now class I need two volunteers whowill be our model for our next topic.

- Anyone?- Okay, the first volunteer will start from

the back and 10 steps towards here infront. And the second volunteer will

start at the back and walk 10 steps to

your left then 10 steps from your left

again and 10 steps again to your left.Clear?

- Sir!

- Yes sir!c) DISCUSSION

TEACHER STUDENTS

- Ok class, what difference you seebetween them?

- Very good! You see the first volunteerrepresent how the speed works whilethe second represent velocity.

- Can someone differentiate the two?- Yes?

- Very good! Speed is defined how fastan object is moving. An object that is

not moving has no speed. Somethingmoving very fast would have high

speed and then it follows that a slow

moving object would have low speed.

Whereas Velocity is defined as therate at which an object changes its

position. Think about a driver of a car

that drives ahead of a mile and thenthe driver puts the car in reverse anddrives back of a mileeach time

going back and forth and each time

returning to the original startingposition. The movement of the car

would never change position and

therefore it would have zero velocity.

- Did you understand?

- Now, do you have any idea when youhear the words Scalar and Vectors?

- Okay, Scalar quantities are defined bymagnitude alone, while vector

quantities are defined by magnitude

along with a direction. So, speed isknown as a scalar quantity and

velocity is known as a vector

- Sir, the first volunteer just walktowards to front whiles the secondvolunteer roam around the room.

- Me sir!- Speed is how fast an object is moving

while the Velocity is the speed withdirection.

- Yes sir!

- None sir!

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quantity.

- Get me?- Distance and displacement are two

basic concepts that can also be easily

misunderstood. Distance is a scalarquantity that is described by

magnitude, and displacement is avector quantity describing how much

an object moved; in other words, thechange in position.

- To understand this concept further,consider a man who walks 1 mile

north, 2 miles east, and 1 mile south

and 2 miles west. The man would have

walked 6 miles (distance) but hisdisplacement is 0 miles. In this

example, the 1 mile North and Southcancel each other out and the 2 milesEast and West also cancelled each

other out and the person returned to the

starting point.

- Did you get the point?- Lets move on to acceleration,

acceleration is another concept that you

will need to get a handle on. Many

people misunderstand the meaning ofacceleration. Some people think that itmeans that something or someone is

moving fast. However, you can have an

object or a person moving really-reallyfast and yet not accelerating. To be

accelerating, an object or person would

have to change its velocity.Acceleration is usually depicted by

units per time units; the ones that are

used most frequent would be m/s/s,

mi/hr/s, km/hr/s. Remember thatacceleration has a direction associated

with it and therefore is called a vector

quantity. The actual direction of the

acceleration vector is dependent onwhether the object is going faster or

going slower and whether the object is

traveling in the positive or negativedirection.

- Did you understand?- Now lets move on to the Kinematic

Equation. Here are the equation:

1. 2.

- Yes sir!

- Yes sir!

- Yes sir!

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3. 4. ( ) 5.

6. - I will give examples to every formula.

(Examples here)

- Any questions? - None sir!d) GENERALIZATION

TEACHER STUDENTS

- Did you understand the lesson? - Yes Sir!- Is kinematic equation clear to you? - Yes Sir!- In your own words define distance,

displacement and acceleration.

- Distance is a scalar quantity that isdescribed by magnitude, and

displacement is a vector quantitydescribing how much an object moved;

in other words, the change in position.

To be accelerating, an object or person

would have to change its velocity andis usually depicted by units per time

units; the ones that are used mostfrequent would be m/s/s, mi/hr/s,km/hr/s.

- Precisely! You understood the lessonvery well.

e) APPLICATIONTEACHER STUDENTS

- Now, I want you to apply what you hadlearned from the topic today. In your

seat answer the following.

- A car accelerated from rest at a constantrate of 5.0 m/s

2.

a. How fast was the car going after15seconds?

b. How far was it from its initialposition after 25seconds?

IV.EVALUATIONAnswer the following questions:

1. At a car toy race, the winner moved at an average velocity of 4.8m/s for 4.2min. determine thewinning toy cars displacement during this time interval.

V. ASSIGNMENTBring a toy car, tape, marker and timer for our activity tomorrow.