Exercise Know How

Can someone help me with this problem physics (Newton's second law)?

Here is the plan you need for this exercise: http://session.masteringphysics.com/prob ... A victim of an accident with a broken leg was put in traction. The patient wears a special boot with a pulley fixed to the sole. The foot and boot have a mass of 4.0 kg, and the doctor decided to hang aa mass 6.0 kg of rope. Starting is held suspended by ropes and does not touch the bed. A) The tensile strength of net needs to get everything right on the leg. What is the proper theta angle of the top rope? b) What is the net tensile force pulling on the leg? I am tempted to do it for a while now so any help would be greatly appreciated. Thank you in advance! Sorry for the bad link. Here's the truth: http://session.masteringphysics.com/problemAsset/1070372/4/06.P35.jpg

Did you do half of the acceleration on booting from the pulley has two strings instead of one?

Athletes.com - Low Pulley Row To Neck Exercise

Door Pulley Rope Exerciser Body Shaper for Pilates Workout and Full Body Toning $12.81

Shoulder Rope Pulley For Exercise and Therapy $16.19

Duro-Med Exercise Pulley Set $7.95 Designed to exercise upper body extremities easily and safely.- Helps increase range of motion in arms while stimulating muscles- Easily fits over most standard doors...

Home Ranger® Shoulder Pulley, model 240 $9.77 Home Ranger® Shoulder Pulley Developed by a practicing physical therapist in 1985, The Home Ranger was the first web-strap over-the-door pulley and is still on the market. The Home Ranger helps increase and maintain range of motion in all planes of shoulder motion. Used in the home it allows patients to increase gains made in the clinic and helps speed recovery. It comes with rubber coated web s...

Everlast for Her Pilates Door Knob Rope Exerciser $10.99 Unique range of motion gives full body tone. Strengthen your back, shape your chest, trim arms, tone legs and tighten abs. Comfort grips allow you to workout longer. Just slip the loop on the door knob and start exercising. Build power, strength and stamina without bulky, expensive machinery. All ages, all fitness levels will see results in just minutes a day. Strength training builds lean muscle ...

Door Knob Exerciser $9.98 Door knob exerciser provides a quick and easy workout in any room. Strengthen major muscle groups through resistance training, using a door knob as a base for the elastic exerciser. Beneficial drills can be achieved in just minutes a day, opening a door to better health and fitness. Nylon and plastic, 51 x 1/2 x 2'....

Bally Fitness Pilates Door Knob Rope Excerciser $12.37 The Bally Pilates Door Knob Rope Exerciser is made for exercisers who want a solid, full body workout at home without bulky or expensive equipment. Just slip this rope exerciser onto any door knob and you can immediately begin toning your back, chest, arms, legs, abs, or buttocks. With 4 stretchable ropes and comfortable grips, you can work your upper and lower body simultaneously. Thanks to st...

Powerline PCCO90X Cable Crossover $319.42 There is no better way to achieve total body conditioning than with the Powerline Cable Crossover. The extra wide and tall mainframe provides you with easy access to an endless array of high and low pulley exercises. The professional carriage system utilizes nylon bushing technology and 8 sealed ball bearing, high resin pulleys. Top and bottom pulleys swivel with over 180 degrees of movement for f...

BodySport Shoulder Pulley $13.2 Features of the BodySport Shoulder Pulley: Can be used to regain, maintain or increase shoulder motion. Used to help prepare the joint for mobilization, reduce pain and reinforce improvements achieved in the clinic. Can be used standing, sitting or lying down. As motion improves, pulley's rope can be shortened by tying nonslip knots at the appropriate length. Includes shoulder pulley, web strap door anchor, ergonomic handles, rope and illustrated manual with exercise guide.

Drive Overdoor Exercise Pulley $31.19 Features of the Drive Overdoor Exercise Pulley: Designed to safely and easily increase range of motion. Easily fits over standard door. Comes complete with door bracket, pulleys, cord and handles. For use when sitting or standing. Limited Lifetime Warranty.

SMC Shuttle Tandem Rope Pulley $78.25 DECENT FEATURES of the SMC Shuttle Tanem Rope Pulley Uses four high efficiency sealed stainless steel ball bearings and is designed to function flawlessly under conditions that would shut down lesser grade pulleys. Sealed ball bearings provide optimal efficiency - thus reducing the performance-robbing resistance that is inherent in most multiple component systems and they are not prone to failure under misaligned loads or with twisted gear as may occur with needle bearings. Multiple independent attachment points Light weight ergonomic design Fits up to 13mm cable Oversized top hole is designed for use with rescue carabiners Low profile fasteners help to reduce snagging and hanging up when pulley is being moved. ALL CLIMBING SALES ARE FINAL.

Therapeutic RangeMaster Shoulder Pulley with Webbing $17.22 Features of the Therapeutic RangeMaster Shoulder Pulley: Standard overhead shoulder pulley. Easy line length adjustment. Includes flip-chart exercise guide with extensive exercise options.

SMC TR Pulley $32.9 DECENT FEATURES of the SMC TR Pulley Durable aluminum sheave Oilite Bearing on a zinc-coated axle Oilite Bearings are self-lubricating and highly wear and corrosion resistant Color contrasting aluminum side plates that rotate for easy rope insertion and removal Intended for use with rope up to a maximum size of 1/2 in. This pulley is not suitable for use in a tyrolean traverse One sideplate is green while the other is grey The SPECS Weight: 66gm / 2.3 oz Strength: 26kN Max Rope Diameter: 12mm ALL CLIMBING SALES ARE FINAL.

Therapeutic RangeMaster Shoulder Pulley with Metal Door Bracket $17.5 Features of the Therapeutic RangeMaster Shoulder Pulley: Standard overhead shoulder pulley. Easy line length adjustment. Includes flip-chart exercise guide with extensive exercise options.

Treat Pulley Tower - Total height 32 cm $19.9 Does your dog get bored quickly? Is it stuck inside because of bad weather or unable to move around and exercise because of ill health? This challenging game will keep your dog amused and busy for hours. The Treat Pulley Tower is an interactive dog toy made from natural beechwood with an MDF base. How the toy works The wooden block has three holes which run through the entire block. Each hole is approx. 2 cm. wide and can be plugged with the small removable wooden cylinders. These wooden cylinders have a rope on either end and a shallow hollow in the middle where you can hide treats or small snacks. Your dog has to work out how to get at the treats which it can do by pulling on one of the ropes. When it does so it will pull the cylinder out of the hole and the hidden treat is revealed. Measurements Base approx. 22 cm x 20 cm x 2 cm (L x W x H) Tower approx. 30 cm x 8.5 cm x 8.5 cm Total height approx. 32 cm Please note Always hold the toy firmly to prevent it from sliding away while your dog is playing with it. As with any other product please supervise your pet with this toy. Check the product regularly for damage and replace the toy if it is damaged or missing any pieces to avoid potential injury to your pet.

Graham Field Arm Muscle Exercise Pulley Traction Set $16.6 The Arm Muscle Exercise Features:* Helps increase range of arm mobility while stimulating muscles. * Fits over standard door.* Can be used sitting or standing.* Lightweight, easily removable.Graham-Field has been supplying the healthcare market with one of the broadest selections of high quality healthcare products and services. All of their products have been designed with a single objective - to enhance the quality of life of the people that use their products and their caregivers.their brands, such as Everest & Jennings and LaBac, Lumex, Labtron, Grafco, Smith & Davis and Simmons-offer the quality and value you've come to trust.

Sammons Preston Triplex Pulley Weight Systems $2047 Features of the Sammons Preston Triplex Pulley Weight Systems: Exclusive Pulley Systems exercise arms, legs and chest. All systems include 10 disc weights totaling 25 lbs. Each plate is approximately 2.5 lbs. Assembly required. Mounting hardware not included. Latex free. Tripex Pulley Weights: Three pairs of padded handles mount at floor level, chest height and from the ceiling. Clearance should be 10ft (3m) to install.

Rope $5.99 Rope

Petzl Ultra Legere Pulley $3.96 The SPECS Rope diameter: 7-13 mm Weight: 10 g 3-year guarantee Material: nylon Working Load: 1 kN ALL CLIMBING SALES ARE FINAL.

Petzl Oscillante Pulley $11.96 The SPECS Sheave Diameter: 25 mm Rope Diameter: 7-11 mm Efficiency: 71% Certification: CE EN 12278 - UIAA Weight: 42 g 3-year guarantee Materials: Aluminum side plates - Nylon sheave mounted on self lubricating bushings Working Load: 4 kN (2 kN on one rope end) Breaking Strength: 15 kN ALL CLIMBING SALES ARE FINAL.

Petzl Partner Pulley $34.36 The SPECS Sheave Diameter: 25 mm Rope Diameter: 7-11 mm Efficiency: 91% Certification: CE EN 12278 - UIAA Weight: 56 g 3-year guarantee Materials: Aluminum side plates - Aluminum sheave with ball bearings Working Load: 5 kN (2.5 kN on one rope end) Breaking Strength: 15 kN ALL CLIMBING SALES ARE FINAL.

Petzl Fixe Pulley $20.76 The SPECS Sheave Diameter: 21 mm Rope Diameter: 7-13 mm Efficiency: 71% Certification: CE EN 12278 - UIAA Weight: 90 g 3-year guarantee Materials: Aluminum side plates - Nylon sheave mounted on self lubricating bushings Working Load: 5 kN (2.5 kN on one rope end) Breaking Strength: 23 kN ALL CLIMBING SALES ARE FINAL.

Petzl Rescue Pulley $47.96 The SPECS Sheave Diameter: 38 mm Rope Diameter: 7-13 mm Efficiency: 95% Certification: CE EN 12278 - UIAA Weight: 185 g 3-year guarantee Materials: Aluminum side plates - Aluminum sheave with ball bearings Working Load: 8 kN (4 kN on one rope end) Breaking Strength: 36 kN ALL CLIMBING SALES ARE FINAL.

Petzl Mini Pulley $42.36 The SPECS Sheave Diameter: 25 mm Rope Diameter: 7-11 mm Efficiency: 91% Certification: CE EN 12278 - UIAA Weight: 80 g 3-year guarantee Materials: Aluminum side plates - Aluminum sheave with ball bearings Working Load: 5 kN (2.5 kN on one rope end) Breaking Strength: 23 kN ALL CLIMBING SALES ARE FINAL.

Petzl Gemini Double Pulley $74.36 The SPECS Sheave Diameter: 25 mm Rope Diameter: 7-11 mm Efficiency: 91% Certification: CE EN 12278 - UIAA Weight: 135 g 3-year guarantee Materials: Aluminum side plates - Aluminum sheave mounted on sealed ball-bearings Working Load: 6 kN (1.5 kN on one rope end) Breaking Strength: 23 kN ALL CLIMBING SALES ARE FINAL.

Camp USA Pulley Small Fixed $22.36 DECENT FEATURES of the Camp USA Pulley Small Fixed Rescue - Rigging Steel bearings Aluminum alloy sheave Permanent rivet never loosens Requires locking oval or HMS carabiner Cannot be used with D-shapes The SPECS Weight: 110 g / 3.9 oz Working Load: 2.5 kN x 2 = 5 kN - 560 LBF x 2 = 1120 LBF Breaking Load: 10 kN x 2 = 20 kN - 2250 LBF x 2 = 4500 LBF Inner Sheave Diameter: 21 mm - 0.8 in Max Rope Diameter: 12 mm ALL CLIMBING SALES ARE FINAL.

Camp USA Pulley Small Mobile $22.36 DECENT FEATURES of the Camp USA Pulley Small Mobile Rescue - Rigging Rotating side plates Steel bearings Aluminum alloy sheave Permanent rivet never loosens The SPECS Weight: 125 g / 4.4 oz Working Load: 2.5 kN x 2 = 5 kN - 560 LBF x 2 = 1120 LBF Breaking Load: 10 kN x 2 = 20 kN - 2250 LBF x 2 = 4500 LBF Max Rope Diameter: 12 mm - Inner Sheave Diameter: 25 mm - 1.0 in ALL CLIMBING SALES ARE FINAL.

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