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Laabri

Copy of 1.) Energy and Collisions Videos (5/28/2026)

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Last updated about 1 month ago
22 Nsɛmmisa
Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

These videos discuss work, energy (kinetic, potential), motion, collisions, and momentum.

All questions are answered in the videos.

There two ways you can do this assignment:

  1. Click play and then answer the questions immediately when they appear. What was said just prior to the video pausing is what the question is based on.

  2. Watch the whole video all the way through one time. Then rewind the video, watch it again and then answer the questions the second time through.

There is one short answer question that must be regraded by me.

If you get stuck, let me know; however, everything is answered in the videos.

If the videos on the formative won't play well, here are the links to the videos:

Energy - https://www.youtube.com/watch?v=w4QFJb9a8vo&t=10s

Collisions - https://www.youtube.com/watch?v=Y-QOfc2XqOk

These videos discuss work, energy (kinetic, potential), motion, collisions, and momentum.

All questions are answered in the videos.

There two ways you can do this assignment:

  1. Click play and then answer the questions immediately when they appear. What was said just prior to the video pausing is what the question is based on.

  2. Watch the whole video all the way through one time. Then rewind the video, watch it again and then answer the questions the second time through.

There is one short answer question that must be regraded by me.

If you get stuck, let me know; however, everything is answered in the videos.

If the videos on the formative won't play well, here are the links to the videos:

Energy - https://www.youtube.com/watch?v=w4QFJb9a8vo&t=10s

Collisions - https://www.youtube.com/watch?v=Y-QOfc2XqOk

Question 1
00:59
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Question 2
01:41
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Question 3
03:39
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Question 4
04:11
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Question 5
04:55
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Question 6
06:08
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Question 7
07:06
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Question 8
08:05
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Question 9
09:16
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Question 10
00:13
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Question 11
01:20
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Question 12
01:42
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Question 13
02:28
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Question 14
02:57
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Question 15
03:11
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Question 16
03:31
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Question 17
03:41
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Question 18
03:53
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Question 19
04:10
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Question 20
05:33
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Question 21
07:02
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Question 22
08:44
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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

When a force is applied over a certain distance to a system, it is referred to as

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

If you pulled a box with a force of 50 Newtons over a distance of 5 meters, the work done is equal to

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

Work is defined as a change in energy because it occurs when an force is applied to a system.

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

The formula to calculate kinetic energy is equal to half of an object's mass times its squared.

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5.

Gravitational potential energy is the potential energy that arises due to an object's .

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

Hooke's law describes the potential energy stored in a when it is compressed or stretched.

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7.

A conservative system is one that does not lose through .

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8.

Average power is defined as divided by .

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9.

The two equations for average power relate to the applied to an object and its average .

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

Physics covers a variety of topics, including movements and interactions, but it also addresses that involve collisions, such as billiard balls clashing or throwing a controller during a game.

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11.

Newton's second law states that net force on an object is equal to its mass times its .

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12.

The quantity that describes an object’s mass times its velocity is called .

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13.

In physics, is defined as the integral of the net force on an object over time.

Asemmisa {{asɛmmisaAhyɛnsode}}
14.

Collisions can be either: or

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15.

In elastic collisions is neither created or destroyed.

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16.

For a true elastic collision to have occurred energy must be .

Asemmisa {{asɛmmisaAhyɛnsode}}
17.

I have to regrade this.

What are elastic collisions very rare?

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18.

When kinetic energy is not conserved, you have an collision.

What is always conserved in a system?

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19.

The law of motion that states that every action has an equal and opposite reaction is?

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20.

A perfectly inelastic collision occurs when objects , losing kinetic energy to other forms of .

Asemmisa {{asɛmmisaAhyɛnsode}}
21.

is the average position of all of the in a system.

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22.

On a stick, it's center of mass is closest to the end.