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SCORPION-xisa [38]
3 years ago
12

Why do you need to apply a force in order to get the box to move

Mathematics
1 answer:
Readme [11.4K]3 years ago
4 0

Answer:

The reason one must apply a force to a box in order for the box to move is to overcome the friction generated by the box against the plane the box is sitting.

The box at rest has zero friction against the surface on which it sits.  Once a force is applied, a box's movement is resisted by the friction created from contact with the surface.

In order for the box to move, one must generate more force than is being generated by the friction of the surface onto the box, allowing the box to move.

Cheers.

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Divide 1-k^3 by k-1​
UNO [17]

Answer:

k 2 + k + 1

Step By Step:

Cancel the common factor.

Then.

k 2 + k +1 by 1

Gets you k2+k+1

7 0
3 years ago
Can anyone help me? My teacher just recently taught me this today, be he never explained much. The question is in the photo
IceJOKER [234]

You've got five different problems in this photo ... four on top and the word problem on the bottom ... and they're all exactly the same thing:  Taking two points and finding the slope of the line that goes through them.

In every case, the procedure is the same.
If the two points are  (x₁ , y₁)  and  (x₂ , y₂) , then
the slope of the line that goes through them is

                          Slope  =  (y₂ - y₁) / (x₂ - x₁) .

This is important, and you should memorize it.

#1).  (8, 10)  and  (-7, 14)

         Slope  =  (14 - 10) / (-7 - 8)  =  4 / -15

#2).  (-3, 1)  and  (-17, 2)

         Slope  =  (2 - 1) / (-17 -  -3)  =  (2 - 1) / (-17 + 3)  =  1 / -14

#3).  (-20, -4)  and  (-12, -10)

         Slope  =  [ -10 - (-4) ] / [ -12 - (-20) ]

=========================================

The word problem:

This question only gives you one point on the graph,
and then it wants to know what's the slope ?
What are you going to do for another point ?

A "proportional relationship" always passes through the origin,
so another point on the line is  (0, 0) .

Now you have two points on THAT line too, and you can easily
find its slope.

4 0
3 years ago
The power supplied to a typical black-andwhite television set is 48.1 W when the set is connected to 72 V. How much electric ene
Mnenie [13.5K]

Answer:

Energy consumed = 1.73× 10⁵ J

Step-by-step explanation:

Given:

Power P = 48.1 W, Time = 1 Hrs= 3600 S

Formula of Power = Energy / Time

⇒ Energy = Power × Time

Energy = 48.1 W × 3600 S = 173,160 Joule = 1.73× 10⁵ J

8 0
3 years ago
Find Slope<br> (3,2),(-6,2)
dlinn [17]

slope=0

it's a straight horizontal line when you graph it.

6 0
3 years ago
Read 2 more answers
Please help. I'm not the best at math.
Elena L [17]
5:4 Should be correct! I took the test Btw Hope this helps!! :D

5 0
3 years ago
Read 2 more answers
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