# Force components Definition and 13 Discussions

The Joint Force Air Component Headquarters (JFACHQ) is the United Kingdom's deployable air command and control unit. The JFACHQ is run by the Royal Air Force with representation from the other services.The JFACHQ has members from the operations and operations support branches of the RAF to both plan and execute the air war as well as support the deployed air components from A1 to A9.
The unit is based at RAF High Wycombe. It can deploy worldwide at short notice to run an air campaign.
The constituent parts of the JFAC are broken down according to the Continental staff system:

A1 – PANDA (Personnel and administration)
A2 – RAF Intelligence
A3 – Air operations (both plans and current operations)
A4 – Air logistics
A5 – Air strategy and contingency planning
A6 – Air CIS (Communication and Information Systems)
A7 – Air training
A8 – Finance and budgets

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1. ### A boat being pulled by two other boats with cables

FAx = F cos 40 FAy = F sin 40 2FAx = Drag Drag = 6128N The answer says 6200N
2. ### I What is the tangential component? Taylor p.347

I do not understand why the tan component for a gravity affected by the centrifugal force: g = Ω^2 * R * sinθ * cosθ So I tried to draw this: using a "big" X-shaped axis where the / component goes along the main gravity direction while \ points normal to / this direction. Then the centrifugal...
3. ### Concept of force components

Homework Statement A box of mass X kg hangs motionless from two ropes, as shown in the diagram. The angle of rope 1 is specified amount of degrees. Choose the box as the system. The x-axis runs to the right, the y-axis runs up, and the z-axis is out of the page. What is the magnitude of |F2|...
4. ### Extending an aircraft landing gear that has gotten stuck

Imagine an aircraft of which the its wing is connected to its landing gear by means of a hinge (joint), and then the gear suddenly gets stuck midway. If, subsequently, the aircraft makes a turn around its longitudinal axis (see picture), it seems to hold true that then the angle between the...
5. ### Find the force between 2 blocks

1. The problem statement, all variables and given/known data Homework Equations The Attempt at a Solution B at rest. A moves 7m/s and bump into B. Object A is frictionless. Object B not, coeff of friction = 0.2. g = 9.8 m/s2 After collision both objects moves together with speed 2 m/s to the...
6. ### Find the time when the spring reaches its max height

Homework Statement Homework Equations f = Spring's constant * ##\Delta x## Potential Energy = ##\frac{1}{2} kx^2## The Attempt at a Solution I try to find constant of the springs Fabove + Fbelow - W = 0 k*(0,2 m) + k*(0,2m) - ##\frac{1}{2}## * 9,8 = 0 0,4k = 4,9 k = 12,25 N/m can I use...
7. G

### Rotational Torque/Force Problem (rod around hinge)

Homework Statement A Rod of Mass "M" is attached to a two-way hinge on the floor. It is being pulled by a spring (extension spring, so force is pulling the rod to the right, causing it to move clockwise). The hinge is frictionless. the rod has a mass of 5kg evenly distributed the pulling...
8. ### Force and impact in pounds

City bus estimated at 50,000 lbs is at a stop light and completely stationary. It's on a flat surface. Bus is hit by a 3600 lb car traveling at 45 to 50 mph hits bus from behind. This bus is shoved fforward 3 feet. 275 lb person leaning into frame of bus just above where the impact occurred. How...
9. ### Determine is box of unknown mass is sliding down a ramp?

Homework Statement A box of textbooks at unknown mass rests on a loading ramp that makes an angle α = 16o with the horizontal. The coefficient of static friction is 0.30, and kinetic friction is 0.25. Then the box is released. (a) Will it start sliding down the ramp? (a) Find the normal force...
10. ### Charge on q from other charges given net force is zero

Homework Statement Consider the figure below, we need to find the charge on Q_0, both charges Q are negative. It is given that the net charge on Q_A is zero. The figure of the problem is attached. The Attempt at a Solution I understand how to get the solution except for one part. I'm just...
11. ### Maximizing x-component of force

A charge Q is placed at a distance a = 3m and a charge q is placed at a distance b For what value(s) of b is the x-component of the force maximized? I know to maximize the force we need to maximize F_Qq = k Qq b/(3^2 + b^2)^{3/2}. To do this we need to set the first derivative to zero and...
12. ### Force at center of cube due to four charges of equal mag.

Homework Statement Four charges of 2*10^-7 are placed on the corners of one face of a cube of 15 cm. A charge of -2 * 10^-7 C is placed at the center of the cube. What is the force on the charge at the center of the cube? Homework Equations F = k q_1*q_2/r^2 The Attempt at a Solution...
13. ### Force Components, Friction, etc. Check my work?

Could someone credible please check my work on this one? Homework Statement This problem is "pulling a sled up a slope" All relevant data is in the picture. I wanted to find FP (The force one has to pull to start the sled moving up with slope). mass = 26.0kg μs = 0.096 slope of hill = 12...