Pre-Lab: The following figure is an airplane's view of a force table; a 120 gram mass hangs off of pulley at 400. A second mass of 500 grams hangs off of another pulley at 205° according to the picture in Figure 6.1. The weights pull on the ring in the center of the table via the pulleys. Picturein 33 A. Use vector components to find the combined total force (magnitude and direction) exerted on the ring by the two cables with weights hanging off of them. B. At what angle should a 3rd pulley be placed, and how much mass hanging off of it would be needed to balance the system in part A so that the central ring does not move? fieure Airplane View Force Table Pulley 1 205° 400 Side View Pulley 1 Pulley 2 Central Ring Side View Pulley 2 120 grams 500 Airplane View of Force Table grams FORCH FABLE /ould Figure 6.1: Force Table

Pre-Lab: The following figure is an airplane's view of a force table; a 120 gram mass hangs off of pulley at 400. A second mass of 500 grams hangs off of another pulley at 205° according to the picture in Figure 6.1. The weights pull on the ring in the center of the table via the pulleys. Picturein 33 A. Use vector components to find the combined total force (magnitude and direction) exerted on the ring by the two cables with weights hanging off of them. B. At what angle should a 3rd pulley be placed, and how much mass hanging off of it would be needed to balance the system in part A so that the central ring does not move? fieure Airplane View Force Table Pulley 1 205° 400 Side View Pulley 1 Pulley 2 Central Ring Side View Pulley 2 120 grams 500 Airplane View of Force Table grams FORCH FABLE /ould Figure 6.1: Force Table

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter12: Static Equilibrium And Elasticity

Section: Chapter Questions

Problem 44P: A 90kg man walks on a sawhorse, as shown below. The sawhorse is 2.0m long and 1.0m high, and its...

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Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.

Question

I need help with part A and B.

Pre-Lab:
The following figure is an
airplane's view of a force table;
a 120 gram mass
hangs off of pulley at 400. A second mass of 500 grams hangs off of another
pulley at 205° according to the picture in Figure 6.1. The weights pull on the
ring in the center of the table via the pulleys.
Picturein
33
A. Use vector components to find the combined total force (magnitude and direction)
exerted on the ring by the two cables with weights hanging off of them.
B. At what angle should a 3rd pulley be placed, and how much mass hanging off of it would
be needed to balance the system in part A so that the central ring does not move?

fieure
Airplane View
Force Table
Pulley 1
205°
400
Side View
Pulley 1
Pulley 2
Central
Ring
Side View
Pulley 2
120
grams
500
Airplane View of Force Table
grams
FORCH FABLE
/ould
Figure 6.1: Force Table

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