on 8The diagramn below shows a light plank balanced on twosupports, A and B. Weights of 50 N, 25 N and 30N are placed onthe plank as shown. X and Y are the normal reactions to theoletelout ofsupports.Yon50 N25 N30 N5 cm15 сm15 em15 cm20 cm20 сmThe reaction force X is67.5N.The reaction force Y is37.5The turning moment of the 30N weight about support B (in ananticlockwise direction) isNm.Please answer all parts of the question,Check

Given that: The plank is massless.

Answered: The diagram below shows a light plank…

The diagram below shows a light plank balanced on two supports, A and B. Weights of 50 N, 25 N and 30N are placed on the plank as shown. X and Y are the normal reactions to the supports.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter9: Momentum And Its Conservation

Section: Chapter Questions

Problem 47A

See similar textbooks

Related questions

Q: 6. The Earth has a mass of 5.97 * 1044 kg and the Sun has a mass of 2.00 * 1030 kg. If they are…

A: Given value--- mass of earth = 5.97 × 1024 kg. mass of sun = 2 × 1030 kg. separation = 1.5 × 108…

Q: A 400 N, 8 meter long rod is attached to a wall and supported by a cable as shown below. A 27 kg…

Q: A board that is a meter long is held up at the 26.0 cm mark. the board is equilibrium when a 0.26 kg…

Q: The diagram below shows a light bar PR pivoted at P,balanced by a 4N weight and force F. Q Newton…

A: Please see the attached image for the solution.Note that the reaction of the pivot do not cause any…

Q: An exhaust system for a pickup truck is shown in the figure. The weights Wh, Wm, and w, of the…

A: SOlution: Given that

Q: A 79 kg adult sits at one end of a 9.0m long board. His 21 kg child sits on the other end. Part A…

Q: A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 5.46 g coins…

Q: A 17.0-m-high and 11.0-m-long wall under construction and its bracing are shown in Figure. The wall…

Q: The upper leg muscle (quadriceps) exerts a force of Fo= 1300 N, which is carried by a tendon over…

A: It is given that,The upper leg muscle exerts a force of FQ=1300 N.

Q: cat is balanced on the edge of a see-saw. The plank of the see-saw is 1m long, and the wedge is…

Q: uniform plank is 6.0 m long and weighs 80 N. It is balanced on a sawhorse at its center. An…

Q: A seesaw is a flat board that is balanced on a fulcrum (point of balance). When the weight at either…

Question

on 8
The diagramn below shows a light plank balanced on two
supports, A and B. Weights of 50 N, 25 N and 30N are placed on
the plank as shown. X and Y are the normal reactions to the
olete
lout of
supports.
Y
on
50 N
25 N
30 N
5 cm
15 сm
15 em
15 cm
20 cm
20 сm
The reaction force X is
67.5
N.
The reaction force Y is
37.5
The turning moment of the 30N weight about support B (in an
anticlockwise direction) is
Nm.
Please answer all parts of the question,
Check

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

A 2.00 1O3-kg car moving cast at 10.0 m/s collides with a 3.00 103-kg car moving north. The cars stick together and move as a unit after the collision, at an angle of 40.0 north of east and a speed of 5.22 m/s. Find the speed and direction of the 3.00 103-kg car before the collision.
A 1200-kg car traveling initially with a speed of 25.0 m/s in an easterly direction crashes into the rear end of a 9 000-kg truck moving in the same direction at 20.0 m/s (Fig. P6.44). The velocity of the car right after the collision is 18.0 m/s to the east, (a) What is the velocity of the truck right after the collision? (b) How much mechanical energy is lost in the collision? Account for this loss in energy. Figure P6.44
A 5.0-g egg falls from a 90-cm-high counter onto the floor and breaks. What impulse is exerted by the floor on the egg?
Check Your Understanding What is the physical difference ( or relationship) between dmdt and dmgdt in this example?
A 57.0-g tennis ball is traveling straight at a player at 21.0 m/s. The player volleys the ball straight back at 25.0 m/s. If the ball remains in contact with the racket for 0.060 s, what average force acts on the ball? (a) 22.6 N (b) 32.5 N (c) 43.7 N (d) 72.1 N (e) 102 N
A 35-kg child rides a relatively massless sled down a hill and then coasts along the flat section at the bottom, where a second 35-kg child jumps on the sled as it passes by her. If the speed of the sled is 3.5 m/s before the second child jumps on, what is its speed after she jumps on?
A rocket in deep space (zero gravity) accelerates by firing hot gas out of its thrusters. Does the rocket constitute a closed system? Explain.
Check Your Understanding Suppose that Balto in Example 2.10 leaves the game to attend to more important matter, but Astro Clifford and Dug continue playing. Astro and Clifford’s pull on the toy does not change, but Dug rims around and bites on the toy in a different place. With how big a force and in what direction must Dug pull on the toy now to balance out the combined pulls from Clifford and Astro? Illustrate this situation by drawing a vector diagram indicating all forces involved.
How much fuel would be needed for a 1000-kg rocket (this is its mass with no fuel) to take off from Earth and reach 1000 m/s in 30 s? The exhaust speed is 1000 m/s.
Math Review Solve the two equations mi + MVi = mf + MVf and i Vi = (f Vf) for (a) f and (b) Vf if m = 2.00 kg, i = 4.00 m/s, M = 3.00 kg, and Vi = 0. (See Section 6.3.)
A space probe, initially at rest, undergoes an internal mechanical malfunction and breaks into three pieces. One piece of mass ml = 48.0 kg travels in the positive x-direction at 12.0 m/s, and a second piece of mass m2 = 62.0 kg travels in the xy-plane at an angle of 105 at 15.0 m/s. The third piece has mass m3 = 112 kg. (a) Sketch a diagram of the situation, labeling the different masses and their velocities, (b) Write the general expression for conservation of momentum in the x- and y-directions in terms of m1, m2, m3, v1, v2 and v3 and the sines and cosines of the angles, taking to be the unknown angle, (c) Calculate the final x-components of the momenta of m1 and m2. (d) Calculate the final y-components of the momenta of m1 and m2. (e) Substitute the known momentum components into the general equations of momentum for the x- and y-directions, along with the known mass m3. (f) Solve the two momentum equations for v3 cos and v3 sin , respectively, and use the identity cos2 + sin2 = 1 to obtain v3. (g) Divide the equation for v3 sin by that for v3 cos to obtain tan , then obtain the angle by taking the inverse tangent of both sides, (h) In general, would three such pieces necessarily have to move in the same plane? Why?
Two figure skaters are coasting in the same direction, with the leading skater moving at 5.5 m/s and the trailing skating moving at 6.2 m/s. When the trailing skater catches up with the leading skater, he picks her up without applying any horizontal forces on his skates. If the trailing skater is 50 heavier than the 50-kg leading skater, what is their speed after he picks her up?