Free Fall

Free Fall

Sec 3 Physics
Chapter 2: Motion
Teacher: Ms. Tyas

Multiple Choice

Which one falls faster in vacuum? An elephant or a leaf?

• Elephant

• Leaf

• They are the same

• Nothing can be said

Drag and Drop

The falling object accelerates and its speed ​

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.

If you drop a light object and heavy one, both ​fall downwards because of ​

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.

In the experiment where all the air has been removed from the tube, a light object falls with the same ​

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as a heavy one. It happens if there were no ​ air resistance .

The acceleration is constant and is called by ​

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and is symbolized by g.  The direction of the acceleration is downward and the value is​

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.

Drag these tiles and drop them in the correct blank above

increases

gravity

time

acceleration of free fall

9.8 m/s2

Drag and Drop

The acceleration of free fall, g, on Earth is ​

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.

As the object moving downward, the speed ​

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by 9.8 m/s every 1 second.

As the object moving upward, the speed ​

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by 9.8 m/s every 1 second.



The value of the acceleration due to gravity (g) varies in different gravitational environments. For example, the value of g on the Moon is ​ around

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.

Drag these tiles and drop them in the correct blank above

increases

decreases

9.8 m/s2

1.6 m/s2

Draw

Answer the following

Multiple Choice

A textbook is dropped from a second floor window and falls to the ground. What happens to the velocity as the book falls to the ground

• the velocity increases

• the velocity decreases

• the velocity remain constant

Multiple Choice

A textbook is dropped from a second floor window and falls to the ground. What happens to the acceleration as the book falls to the ground

• the acceleration increases

• the acceleration decreases

• the acceleration remains constant

Graph of object moving downwards