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skelet666 [1.2K]
3 years ago
8

find at least 2 examples how friction can be both a positive and negative aspect in our everyday lives.Use examples to support y

our statement
Physics
1 answer:
gulaghasi [49]3 years ago
4 0
A positive way that Friction helps in your every day life would be when you drive to work or school. There is friction acting upon your tires, without it you would continue to constantly move forwards until you have struck something, bringing you to a halt. Therefore friction is a positive in this case, however friction can also be a negative in your everyday life. This is possible because friction can be used against you, say you were dragging a box from point A to point B up a hill. You must use mechanical energy however going uphill already presents a problem, now if the wind were to blow you would be moving against friction, this is a negative.
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Which of the following is an example of newton second law of motion?
zaharov [31]

Answer: Its answer C: A wheelbarrow is more difficult to move as More objects are placed inside.

Explanation: The greater the mass of the object the more force is needed to make it move.

Hope this helps!! :)

4 0
3 years ago
give an example of situation in which an automobile driver can have a centripetal acceleration but no tangential speed
Mars2501 [29]

There is no need for tangential acceleration when moving in a circle at a constant speed.

<h3>What is centripetal acceleration?</h3>

centripetal acceleration refers to the speed at which a body moves through a circle. Due to the fact that velocity is a vector quantity (i.e., it has both a magnitude, the speed, and a direction), when a body travels in a circle, its direction is constantly changing, which causes a change in velocity, which results in an acceleration.

<h3>Which is an example of centripetal acceleration?</h3>

Centripetal acceleration occurs when you spin a ball on a string above your head. A car experiences centripetal acceleration when it is being driven in a circle. Additionally, a satellite in orbit around the Earth experiences centripetal acceleration.

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brainly.com/question/14993737

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6 0
1 year ago
Action-reaction forces are not balanced forces because of what?
lara [203]

Oh but they are !

Newton's 3rd law of motion says that for every action, the <em><u>re</u></em>action is
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4 0
3 years ago
15 POINTS PLEASE HELP! NO GUESSING
torisob [31]
He answer is A. <span>encourage agricultural usage in the watershed

if you want to read it for yourself go to
www.nature.org/ourinitiatives/regions/northamerica/unitedstates/indiana/journeywithnature/watersheds...

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7 0
3 years ago
Read 2 more answers
A ball rolls onto the path of your car as you drive down a quiet neighborhood street. to avoid hitting the child that runs to re
KengaRu [80]

Since the acceleration of car is uniform so the distance traveled by car while brakes are applied is given by

d = \frac{v_f + v_i}{2}*t

given that

v_f = 9 m/s

v_i = 15 m/s

t = 1.20 s

now plug in all data in above formula

d = \frac{15 + 9}{2} * 1.2

d = 14.4 m

so car will cover 14.4 m distance while it apply brakes

5 0
3 years ago
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