PHYSICS MIDDLE SCHOOL

True or false the number of times a machine multipies effort force is a mechanical atlantis

Answers

Answer 1
Answer:

Answer: i think its true

Explanation:

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In terms of newton first law of motion why is it important to wear a seat belt

Answers

Answer:

Seatbelts stop you

Explanation:

Any passengers in the car will also be decelerated to rest if they are strapped to the car by seat belts.

From this diagram which of the following can you conclude

Answers

Answer: A

Explanation:

I say opposites attract

The answer is A.

Hope this helps :)

What would happen if the gravity on earth decreases by a small about? ​

Answers

If the gravity decreases on the earth, we will be weightless and pressure will be less exerting on us and we will be able fly

a loss of gravity on earth would  stop pulling down the air,water and earth's atmosphere

ther would be a sudden and significant loss of air pressure

the lack of any forceful gravitational pull would turn humans

Without gravity, humans and other objects would become weightless.

When light moves from one medium to another it can be ______________

Answers

When light moves from one medium to another it can be Refraction

Explanation:

Refraction is the term used to define light movement travelling from one medium to another. Light waves are propagated, will cross the boundary and their direction is also changed during the process of refraction.

Velocity is also induced in the light which keeps changing during its propagation through mediums. There are other phenomenons of light like reflection, interference, diffraction which are slightly different from each other and hence proper understanding is required to differentiate between them.

when light moves from one medium to another it can be refracted

At which point will the riders experience centripetal acceleration?

Answers

the answer would be (X)

How do scientists define matter

Answers

Scientists define matter as anything that has mass.
Anything that is made up of atoms.
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A girl is walking 2km north them east then south then west whar is her displacement
Ionic compounds molecules have strong forces of attraction between neighboring molecules. Which conclusion could be drawn about materials held together by ionic bonds? A) These materials would have low densities as solids. Eliminate B) These materials would have very high boiling points. C) These materials will likely be gases at room temperature. D) These materials will likely be liquids at room temperature.