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Physics

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Kendall Kris

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2y ago
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Cards in this guide (14)
What is nuclear energy

Nuclear energy is the energy in the nucleus, or core, of an atom. Atoms are tiny units that make up all matter in the universe. Energy is what holds the nucleus together. There is a huge amount of power in an atom's dense nucleus. Nuclear energy is seen when nuclear fusions or fissions happen.

How can you identify a fixed pulley

It is set in one position and cannot move.

apex :)

If it takes 100 N to move a box 5 meters what is the work done on the box

500

Momentum is defined as the rate at which work is done

false

Is it bad if you have a heavy period on one month and a light one the next month

No it is not bad, as some ladies have a heavy period for one month and then a light one or they may have two heavy periods and then one light one also.

Choose all of the terms that are appropriate for a situation that produces work

the object moves

a force acts

apex:0

What the the two main states of mechanical energy

Potential energy and Kinetic energy

Inclined plane makes work easier by increasing the distance and decreasing the

force

If you want to lift a 5-kg box to a height of 1 meters how much work must be done

98 j

It takes 200 N to move a box 10 meters in 8 seconds How much power is required

250 W

When only mechanical energy acts on an object what is conserved

gravity

What is an example of conditions not producing work

the momentum must be greater than the force . the force may be very large

If the force moving an object points at least partially in the opposite direction of the object's motion what is the work considered to be

negative

Is it true that a nonconservative force does the same work regardless of the path taken

: FALSE

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