SC6-WEEK30-ACCELERATION

ACCELERATION

Objectives

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Acceleration

Introduction to Science

Acceleration refers to the variations in the speed of an object with respect to time. Take as an example a Formula 1 car, which must compete for approximately an hour and a half.

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Acceleration:

Acceleration is the name we give to any process where the speed changes. Since speed is a speed and a direction, there are only two ways for you to accelerate: change your speed or change your direction (or change both).

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Types of acceleration

Positive acceleration: The acceleration of a body is said to be positive when its speed increases with time. The direction of this acceleration is the same in which the body moves without there being a change in its direction. Negative acceleration: For its part, the acceleration of a body is negative when the speed of the body decreases. The direction of negative acceleration is opposite to the direction in which the body is moving. This type of negative acceleration is also known as deceleration or retardation.

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Acceleration formula

We can find the acceleration using the following formula: Where a corresponds to acceleration, Vi is the initial velocity, Vf is the final velocity, and t is the time interval. As mentioned, the unit of acceleration in the International System is meter per second squared (m/s2).

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Examples of acceleration

We can physically experience these examples in our daily activities. When you press the accelerator pedal in a vehicle, the car moves faster and faster. This change in speed in the car is acceleration. If the same force is used to push a truck and push a car, the car will have more acceleration than the truck.

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Examples of acceleration

Likewise, it is much easier to push an empty shopping cart than a full one. The reason is that the full cart has more mass than the empty cart.

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CONCLUSION:

It should be clear that there is no acceleration without force and no force without acceleration. Force can alter the resting state of any body.

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Let's practice

Welcome 6th graders!

A journey soon begin through Social Science experiences!

Let's practice

Welcome 6th graders!

A journey soon begin through Social Science experiences!

Let's practice

Welcome 6th graders!

A journey soon begin through Social Science experiences!

Let's practice

Welcome 6th graders!

A journey soon begin through Social Science experiences!

Let's practice

Welcome 6th graders!

A journey soon begin through Social Science experiences!

Great job!

See you next time

Welcome 6th graders!

A journey soon begin through Social Science experiences!

6TH-ACCELERATION-EN © 2023 by CASURID is licensed under CC BY-NC-ND 4.0

SC.6.P.13.1 Investigate and describe types of forces includind contact forces acting at a distance, such as electrical, magnetic, and gravitational. SC.6.P.13.2 Explore the Law of Gravity by recognizing that every object exerts gravitational force on every other object and that the force depends on how much mass the objects have and how far apart they are. SC.6.P.13.3 Investigate and describe that an unbalanced force acting on an object changes its speed, or direction of motion, or both.