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)
Question: Graph the inequality 3x + 7y < 21 on a coordinate plane. Identify all points (x,y) that satisfy the inequality.
+
Question: Solve for x: log2(x) + log2(8) = 6.
+
What is the radian measure of an angle subtended by an arc of length 2Ο€r in a circle with radius r?
+
New questions in Mathematics
431414-1*(11111-1)-4*(5*3)
58+861-87
Using the integration by parts method, calculate the integral of [xΒ².ln(1/x)]dx: x 4 /4 xΒ³/6 x 4 /8 xΒ³/3 x 4 /6
Which of the following is the product of multiplying twenty-seven and twenty-five hundredths by nine and twenty-seven hundredths?
Suppose the horses in a large they will have a mean way of 818 pounds in a variance of 3481. What is the probability that the mean weight of the sample of horses with differ from the population mean by more than 18 pounds is 34 horses are sampled at random from the stable.
Margin of error E=0.30 populations standard deviation =2.5. Population means with 95% confidence. What I the required sample size (round up to the whole number)
(2x+5)^3+(x-3)(x+3)
2/3+5/6Γ—1/2
Calculate the boiling temperature and freezing temperature at 1 atmosphere pressure of a solution formed by dissolving 123 grams of ferrous oxide in 1.890 grams of HCl.
During a fishing trip Alex notices that the height h of the tide (in metres) is given by h=1βˆ’(1/2)*cos(Ο€t/6) where t is measued in hours from the start of the trip. (a) Enter the exact value of h at the start of the trip in the box below.
7. Find the equation of the line passing through the points (βˆ’4,βˆ’2) π‘Žπ‘›π‘‘ (3,6), give the equation in the form π‘Žπ‘₯+𝑏𝑦+𝑐=0, where π‘Ž,𝑏,𝑐 are whole numbers and π‘Ž>0.
In the telephone exchange of a certain university, calls come in at a rate of 5 every 2 minutes. Assuming a Poisson distribution, the average number of calls per second is: a) 1/8 b) 1/12 c) 1/10 d) 2/5 e) 1/24
If A and B are any events, the property that is not always true is: a) 0 ≀ 𝑃(𝐴 ∩ 𝐡) ≀ 1 b) 𝑃(Ξ©) = 1 c) 𝑃(𝐡) = 1 βˆ’ 𝑃(𝐡𝑐) d) 𝑃(βˆ…) = 0 e) 𝑃(𝐴 βˆͺ 𝐡) = 𝑃(𝐴) + 𝑃(𝐡)
How to do 15 x 3304
sum of 7a-4b+5c, -7a+4b-6c
A Smooth Plane is listed for $195.00. Discounts of 12% and 10% are allowed. If the customer pays cash within 30 days, an additional discount of 3% is granted. What is the cost if a carpenter takes advantage of all the discounts offered?
A contractor gives a bank note for $10250 at a rate of 1% for one month. How much interest is charged for 4 months?
In a 24 hours period, the average number of boats arriving at a port is 10. Assuming that boats arrive at a random rate that is the same for all subintervals of equal length (i.e. the probability of a boat arriving during a 1 hour period the same for every 1 hour period no matter what). Calculate the probability that more than 1 boat will arrive during a 1 hour period. (P(X>1) ) Give your answers to 4 decimal places and in a range between 0 and 1
Cuboid containers (open at the top) should be examined with regard to their volume. The figure below shows a network of such containers (x ∈ Df). Determine a function Ζ’ (assignment rule and definition area D) that describes the volume of these containers and calculate the volume of such a container if the content of the base area is 16 dmΒ². Show that this function f has neither a local maximum nor a global maximum
What is the set-off agreement? Make your own example, describe and put in T accounts how you record transactions.