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Lunna [17]
3 years ago
11

Forces can be added together only if they are

Physics
1 answer:
Snezhnost [94]3 years ago
7 0
The answer for question 1 is A.
The answer for question 2 is C
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What was also changed in the "Levers" lab when the position of the fulcrum was changed?
erastova [34]

Effort force

Explanation:

When the potion of fulcrum and weight is changed, the mechanical advantage changes.Increasing the distance between the fulcrum and the effort, there is a proportion increase in effort required to lift a load.The ration of the distance from the fulcrum to the position of input and output application gives the mechanical advantage in levers when losses due to friction are not considered.

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Mechanical advantage in Levers : brainly.com/question/11600677

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your mom

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Signal words most often used in a chronological essay are
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<span>Chronological essays by the definition of a chronological meaning in order. There is an order in a specific writing. Like a history write up from a certain happening years ago.  It is different from procedural essays because these are essays who are giving instructions of certain set up to guide the person accordingly in doing something to make it more accurate. Like recipes, instructions in playing, etc. Example words that are used in chronological essays are first, second, third, fourth, fifth, next, after, then, lastly, finally, consequently, in addition, thus, therefore, however, etc.</span>
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What determines the path that an object in projectile motion follows
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 <span>Direction and magnitude it is also </span>determined<span> by the gravitational acceleration any impacts or interruptions are ignored. </span>
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How does a heat pump resemble a refrigeration system?
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A heat pump is a device that is capable of transferring heat energy from a source of heat to what is known as the heat sink. It also moves thermal energy in the opposite direction of a spontaneous heat transfer through heat absorption from a cold space and releasing it to a warmer space.

When a heat pump is being utilized for heating, it employs the same principle with that of the refrigeration cycle used by an air conditioner or a refrigerator, but in the opposite direction since it releases heat into a conditioned space rather than the surrounding environment. Moreover, heat pump resembles much as refrigeration since it has the same components with the latter except for the presence of a reverse valve.
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