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3 years ago

6.) What force would evetually cause the ball to come to a stop after leaving the ramp

1 answer:

7 0

$\colorbox{aqua} A\colorbox{aqua} N\colorbox{aqua} S\colorbox{aqua} W\colorbox{aqua} E\colorbox{aqua} R\colorbox{aqua} S$

Forces of inertia

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A child holds onto a string attached to a toy boat and exerts a force of 7.5 N to pull the boat a distance of 9.2 m a long a str

soldi70 [24.7K]

The work that need to do is 66.24 J.

<h3>Explanation :</h3>

Hello guys, before we can count how much the work that needed to pull the toy, we should know how formula to count it first. Because the movement is with the angle, so the formula is :

$\boxed {\bold {W = F \times s \times \cos(\theta)}}$

If :

W = work (J)
F = force (N)
s = shift (m)
θ = elevation angle (°)

We know that :

x = the horizontal shift = 9,2 m
θ = elevation angle = 15°

W = work = ... J

$W = F \times s \times \cos(\theta) \\ W = 7.5 \times 9.2 \times \cos(15) \\ W = 69 \times 0.96 = 66.24 \: J$

So, the work that need to do is 66.24 J.

Subject : Physics 

Class : Junior High School/Senior High School 

Keyword : Work; Force; Shift; and Elevation Angle 

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6.) What force would evetually cause the ball to come to a stop after leaving the ramp​

6.) What force would evetually cause the ball to come to a stop after leaving the ramp