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3 years ago

The price of a single item within a group of items is

Engineering

1 answer:

Nady [450]3 years ago

7 0

Answer:

Answer to this question is option D i.e. unit price.

Explanation:

The unit price of the item can be understood as the price of a single product or one single commodity which forms a part of a group of items. When only one unit is to be sold then here comes the importance of 'unit price.' This is generally helpful in the retail sector where the products are bought in bulk after calculating the per-unit price of each commodity in that particular bulk.

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A tool chest has 650 N weight that acts through the midpoint of the chest. The chest is supported by feet at A and rollers at B.

erica [24]

Answer:

the value of horizontal force P is 170.625 N

the value of horizontal force at P = 227.5 N is that the block moves to right and this motion is due to sliding.

Explanation:

The first diagram attached below shows the free body diagram of the tool chest when it is sliding.

Let start out by calculating the friction force

$F_f= \mu N_2$

where :

$F_f =$ friction force

$\mu$ = coefficient of friction

$N_2$ = normal friction

Given that:

$\mu$ = 0.3

$F_f =$ 0.3 $N_2$

Using the equation of equilibrium along horizontal direction.

$\sum f_x = 0$

P - $F_f =$ 0

P = 0.3 $N_2$ ----- Equation (1)

To determine the moment about point B ; we have the expression

$\sum M_B = 0$

0 = $N_2*70-W*35-P*100$

where;

P = horizontal force

$N_2$ = normal force at support A

W = self- weight of tool chest

Replacing W = 650 N

0 = $N_2*70-650*35-100*P$

$P = \frac{70 N_2-22750}{100} ----- equation (2)$

Replacing $\frac{70 N_2-22750}{100}$ for P in equation (1)

$\frac{70N_2 -22750}{100} =0.3 N_2$

$N_2 = \frac{22750}{40}$ $N_2 = 568.75 \ N$

Plugging the value of $N_2 = 568.75 \ N$ in equation (2)

$P = \frac{70(568.75)-22750}{100} \\ \\ P = \frac{39812.5-22750}{100} \\ \\ P = \frac{17062.5}{100}$

P =170.625 N

Thus; the value of horizontal force P is 170.625 N

b) From the second diagram attached the free body diagram; the free body diagram of the tool chest when it is tipping about point A is also shown below:

Taking the moments about point A:

$\sum M_A = 0$

-(P × 100)+ (W×35) = 0

P = $\frac{W*35}{100}$

Replacing 650 N for W

$P = \frac{650*35}{100}$

P = 227.5 N

Thus; the value of horizontal force P, when the tool chest tipping about point A is 227.5 N

We conclude that the motion will be impending for the lowest value when P = 170.625 N and when P= 227.5 N

However; the value of horizontal force at P = 227.5 N is that the block moves to right and this motion is due to sliding.

5 0

3 years ago

What is a height gage?

Elena L [17]

The answer would be -62 because 62 x 1 equals 62 so that would be the answer.

6 0

3 years ago

Technician A says that coolant freeze protection can be measured with a

Diano4ka-milaya [45]

Answer: Technician A, I think

4 0

3 years ago

Read 2 more answers

1 po

Dmitry_Shevchenko [17]

Answer:

D. Brake

Explanation:

NJMVC is an acronym for New Jersey Motor Vehicle Commission and it is an agency of government that was established in 2003. NJMVC is saddled with the responsibility of inspecting, titling of number plates and registration of motor vehicles, as well as licensing of drivers in New Jersey, United States of America.

The NJMVC subject the applicants (drivers) to a series of test before they are issued a valid driver's license, some of these tests include;

1. Vision test.

2. Knowledge test.

3. Road test.

All of the above mentioned tests must be passed by a driver before he or she are issued a valid driver's license.

Some of the test drive requirements are;

- Valid registration documents.

- Valid sticker of inspection.

- No obstacle or center consoles should prevent the examiner from accessing both the foot brake and parking brake.

Hence, NJMVC will reject a vehicle from the road test if the examiner does not have access to a brake. Thus, the brakes are required to be in good working condition prior to the road test.

However, if an applicant (driver) passes the road test he or she would be issued an authorization for licensing by the examiner and then a digital driver's license by the motor vehicle commission.

5 0

3 years ago

One reason that driving lends itself to aggressive behavior is:

Maurinko [17]

Answer:

C. Drivers feel empowered by anonymity

Explanation:

Sorry for the late answer hope it helps you and others who need it.

STay Safe and healthy!

5 0

2 years ago

Read 2 more answers