FREEFALL

Presentation

•

Physics

•

8th - 10th Grade

•

Practice Problem

•

Easy

nithya gopinath

Used 23+ times

FREE Resource

9 Slides • 10 Questions

FREEFALL

Poll

Does all objects have same acceleration, when they move only under gravity?

yes

What are we learning today

Learning Objective: To describe free-fall acceleration.
Success Criteria: I can describe free-fall acceleration.

Let's engage

What do I know........................

Multiple Choice

What is acceleration?

change of velocity with time

change of displacement with time

Multiple Choice

Which object is accelerating: A or B?

Multiple Choice

From a velocity time graph, how can you calculate the acceleration?

area under the graph

slope of the graph

Multiple Choice

Is force of gravity an attractive force or repulsive force?

repulsive

always attractive

Poll

Is atmospheric air able to exert force on an object ?

yes

Open Ended

What is gravity according to you?

Type response here

Let's explore and explain

Answer the following questions after watching the video on Galileo's experiment.

Which one reached the ground first: feather or bowling ball , when they were dropped from the same height in air?
Other than gravity, which force is acting on them?
Are they accelerating at the same rate?
Which one reached the ground first: feather or bowling ball , when they were dropped from the same height in vacuum?
Which is the only force acting on them in vacuum?
Are they accelerating at the same rate in vacuum?

WATCH THE VIDEO TO ANSWER QUESTIONS

https://www.youtube.com/watch?v=E43-CfukEgs

Multiple Choice

Is the body accelerating?

yes

Acceleration due to gravity

Let's us evaluate

Fill in the Blanks

The acceleration due to gravity on the Earth is

Type answer...

Multiple Choice

When a body is in freefall, its velocity increases by 9.8m/s in every second: True of False

False

True

Let's extend our learning by doing Alef lesson 36

GOOD LUCK

FREEFALL

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