Engineering High School

I don't understand this sheet at all
.

I Don't Understand This Sheet At All.

Answers

Answer 1

Sometimes used to strengthen plies and stiffen tread; they lie between tread and inner plies. (M) Belt

How to match the items

Two rings made of steel wires encased in rubber that hold tire sidewalls snugly against wheel rim. (E) Bead

Outer surface of tire that contacts road. (A) Tread.

Provides leakproof membrane for modern tubeless tire. (F) Inner liner

Antifriction elements that fit between inner and outer races. (G) Ball bearings

Cup or cone that rests on spindle or drive axle shaft. (B) Bearing

Newest tire identification system using metric values and international standards. (N) Tire labeling

Rubberized fabric and cords wrapped around the beads. (C) Sidewall

Outer part of tire extending from bead to tread. (L) Shoulder

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Related Questions

A small block sits at one end of a flat board that is 4.00 m long. The coefficients of friction between the block and the board are μs = 0.550 and μk = 0.400. The end of the board where the block sits is slowly raised until the angle the board makes with the horizontal is α0 , and then the block starts to slide down the board.
Part A
If the angle is kept equal to α0 as the block slides, what is the speed of the block when it reaches the bottom of the board?

Answers

The speed of the block when it reaches the bottom of the board would be 3.19 m/s.

How to calculate the speed?

Let's start by finding the height of the board when the block starts to slide. The maximum angle α0 at which the block will remain stationary on the board is given by:

μs = tan(α0)

Solving for α0, we get:

α0 = tan^-1(μs) = tan^-1(0.550) = 29.59 degrees

The height of the board when the block starts to slide is given by:

h = 4.00 m sin(α0)

h = 4.00 m sin(29.59 degrees)

h = 2.09 m

Now let's find the work done by friction. The friction force is given by:

f= μk * N

where N is the normal force acting on the block. The normal force is equal in magnitude and opposite in direction to the component of the gravitational force acting perpendicular to the board, which is given by:

N = mg cos(α)

where m is the mass of the block, g is the acceleration due to gravity, and α is the angle of the board. The kinetic friction force does negative work, which is equal to:

Wf = -f * d

where d is the distance the block travels down the board. The work done by gravity is equal to the change in potential energy, which is given by:

Wg = mgh

where h is the height of the board. At the bottom of the board, all of the potential energy has been converted to kinetic energy, so we have:

1/2 * m * v^2 = mgh - f * d

Solving for v, we get:

v = sqrt(2gh - 2μk(N/m) * d)

We can now substitute the values we have found:

h = 2.09 m

μk = 0.400

N = mg cos(α0) = mg cos(29.59 degrees)

d = 4.00 m

Substituting these values and solving for v, we get:

v = sqrt(2gh - 2μk(N/m) * d)

v = sqrt(2 * 9.81 m/s^2 * 2.09 m - 2 * 0.400 * (m * g * cos(29.59 degrees)/m) * 4.00 m)

v = 3.19 m/s

Therefore, the speed of the block when it reaches the bottom of the board is 3.19 m/s.

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How tall was President Abraham Lincoln?

Answers

6 feet 4 inches

6 feet 4 inchesThe tallest U.S. president was Abraham Lincoln at 6 feet 4 inches (193 centimeters)

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President Abraham Lincoln was 1.93 m tall
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