Freefall Physics Concepts

Freefall Physics Concepts

Assessment

Interactive Video

Physics, Science, Mathematics

9th - 12th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explains the concept of freefall, emphasizing that it occurs when only gravity acts on an object, regardless of its direction of motion. It addresses common misconceptions, such as the belief that freefall only involves downward motion. The tutorial covers solving freefall problems using kinematic formulas, focusing on scenarios where objects are dropped or thrown upwards. It outlines the types of questions typically asked in freefall problems, including calculating time, distance, and final speed. The video concludes with a brief mention of future topics, such as horizontal and angled projectiles.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the only force acting on an object in freefall?

Gravity

Magnetic force

Friction

Air resistance

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When an object is dropped from a height, what is its initial velocity?

10 m/s

0 m/s

5 m/s

20 m/s

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which kinematic equation is used to calculate the distance fallen in freefall?

D = VI T + a t

D = VI T + 1/2 a t^2

D = VI + 1/2 a t^2

D = VI T + 1/2 a t

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a freefall problem, if the initial velocity is zero, what is the acceleration due to gravity?

9.8 m/s^2

5 m/s^2

10 m/s^2

0 m/s^2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a rare question type in freefall problems?

Determining final speed after a certain time

Calculating the mass of the object

Calculating initial velocity

Finding the height of a building

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the velocity of an object at maximum height in upward motion?

It is equal to initial velocity

It is at its maximum

It is zero

It is negative

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the direction of motion considered when calculating acceleration in upward freefall?

Both directions are negative

Both directions are positive

Up is negative, down is positive

Up is positive, down is negative

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