Question

Consider the following figure. A horizontal table top is shown to extend righward from a vertical wall. An object of mass m1 hangs from a string that passes over a very light fixed pulley P1 anchored at the right edge of the table surface. The string connects to a second very light pulley P2. A second string passes around pulley P2 with one end attached to the wall and the other to an object of mass m2 on the frictionless, horizontal table. (a) If a1 and a2 are the accelerations of m1 and m2, respectively, what is the relation between these accelerations? (Use any variable or symbol stated above as necessary.) a2 = ?

169

likes
846 views

Answer to a math question Consider the following figure. A horizontal table top is shown to extend righward from a vertical wall. An object of mass m1 hangs from a string that passes over a very light fixed pulley P1 anchored at the right edge of the table surface. The string connects to a second very light pulley P2. A second string passes around pulley P2 with one end attached to the wall and the other to an object of mass m2 on the frictionless, horizontal table. (a) If a1 and a2 are the accelerations of m1 and m2, respectively, what is the relation between these accelerations? (Use any variable or symbol stated above as necessary.) a2 = ?

Expert avatar
Gene
4.5
108 Answers
To find the relation between the accelerations a1 and a2, we can start by analyzing the forces acting on each object.

For object m1 hanging from the string, there are two forces acting on it: the weight (mg1) pulling it downward and the tension in the string (T1) pulling it upward. Since the object is in equilibrium in the vertical direction, we can write:

mg1 - T1 = 0 ...(1)

For object m2 on the table, there are three forces acting on it: the weight (mg2) pulling it downward, the tension in the string (T2) pulling it to the left, and the normal force (N) acting upward. Since the object is also in equilibrium in the vertical direction, we can write:

N - mg2 - T2 = 0 ...(2)

Next, we can consider the horizontal forces acting on both objects. For object m1, the tension in the string (T1) is the only force acting on it horizontally, and it causes the object to accelerate to the right with acceleration a1. Therefore, we have:

T1 = m1 * a1 ...(3)

For object m2, the tension in the string (T2) is the only force acting on it horizontally, and it causes the object to accelerate to the left with acceleration a2. Therefore, we have:

T2 = m2 * a2 ...(4)

In addition to the tension forces, there is also friction acting on m2. However, since the table is assumed to be frictionless, we can ignore the friction force in this case.

Now, we can solve the system of equations (1), (2), (3), and (4) to find the relation between a1 and a2.

From equation (1), we have:

T1 = mg1

Substituting this into equation (3), we get:

mg1 = m1 * a1

Simplifying, we find:

a1 = g1 ...(5)

From equation (2), we have:

N = mg2 + T2

Substituting this and equation (4) into equation (2), we get:

mg2 + m2 * a2 = mg2 + T2

Simplifying, we find:

m2 * a2 = T2

Substituting equation (4) into this, we get:

m2 * a2 = m2 * a2

Since this equation is an identity, it means that a2 can have any value. Therefore, there is no direct relation between a1 and a2.

Answer: There is no direct relation between the accelerations a1 and a2.

Frequently asked questions (FAQs)
What is the area of a triangle with a base of 8 and a height of 10?
+
What is the value of x if 2(x+3) - 5 = 3(4-x) - 1?
+
What is the derivative of h(x) = sinh(x) - cosh(x) at x = 0?
+
New questions in Mathematics
8x²-30x-10x²+70x=-30x+10x²-20x²
The patient is prescribed a course of 30 tablets. The tablets are prescribed “1 tablet twice a day”. How many days does a course of medication last?
How do you think the company has increased or decreased its income?
Consider numbers from 1 to 2023. We delete 3 consecutive numbers so, that the avarage of the left numbers is a whole number
(5u + 6)-(3u+2)=
A regional candy factory sells a guava roll at a price of $48, the monthly fixed costs amount to $125,000 and the variable cost for making a guava roll is $28. Determine: a) The equation of the total income from the production of guava rolls.
A company that manufactures personal hygiene items purchases machinery for $220,000 that is considered to last 7 years; it is estimated that at the end of the period it will have a salvage value of $1000. Find: to. The depreciation rate. b. The book value at the end of the sixth year.
A person borrows rm 1000 from a bank at an interest rate of 10%. After some time, he pays the bank rm 1900 as full and final settlement of the loan. Estimate the duration of his loan.
15/5+7-5
Raúl, Gilberto and Arturo are playing golf; The probabilities of winning for each one are as follows: (Raúl wins) = 20% (Gilberto wins) = 0.05% (Arturo wins) = ¾%. Perform operations and order events from least to most probable.
The price per night of a suite at the Baglioni Hotel in Venice is 1896 euros, VAT included. The VAT in Italy is 25%. The hotel gets a return of 10% out of the price VAT included. a) What is the amount of VAT paid by the hotel for one
Given (3x+2)E [2;14] how much money (in soles) does Sophia have if numerically it is the greatest value of x?
I. Order to add 40.25+1.31+.45 what is the first action to do ?
3/9*4/8=
Use linear approximation to estimate the value of the sine of 31o.
-1%2F2x-4%3D18
Find the minimum value of the function y = -4 x3 + 60 x2 -252 x + 8 for values of x between x = 0 and x = 9 Enter the value of the function, not the value of x
We have two distributions: A (M = 66.7, 95% CI = [60.3, 67.1]) / B (M = 71.3 95% CI = [67.7, 74.9]). Erin maintains that B is significantly larger than A. Provide your opinion on Erin’s argument and justify your opinion.
Consider the function f(x)=1/2(x+1)^2-3. Use the preceding/following interval method to estimate the instantaneous rate of change at 𝑥 = 1.
Question 3 A square has a perimeter given by the algebraic expression 24x – 16. Write the algebraic expression that represents one of its sides.