Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Block A has a mass of 16 kg, and blocks B and Chave masses of 8 kg each. Assume that the blocks are initially at rest and that B moves through 3 m in 2 s. Neglect the masses of the pulleys and the axle friction. A B P D C Determine the magnitude of the force P. The magnitude of the force P is EN.

Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Block A has a mass of 16 kg, and blocks B and Chave masses of 8 kg each. Assume that the blocks are initially at rest and that B moves through 3 m in 2 s. Neglect the masses of the pulleys and the axle friction. A B P D C Determine the magnitude of the force P. The magnitude of the force P is EN.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.79P: The coefficient of rolling resistance between the 30-kg lawn roller and the ground is r=0.1. (a)...

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The figure shows a steel bar being processed by a rolling mill. Given that P=80kN and r =0.016, determine the force F required to advance the bar at a constant speed.
The coefficient of rolling resistance between the 30-kg lawn roller and the ground is r=0.1. (a) Determine the force P required to pull the roller at a constant speed. (b) What force P would be needed to push the roller at a constant speed?
1) Consider the masses A and B with weight as shown. If the two systems are released from rest, which block will accelerate more quickly? Note that System A has an externally applied load whereas System B has two weights. For full credit, draw the FBD and IRD of each system, compute the acceleration of each system, and state your final predication. System A System B 6 oz 6 oz 10 oz 10 oz 7:39 PM * 54°F Mostly cloudy 3/2/2022 P Type here to search 99+ End F10 PgUp PoDn PrtScn Home F7 &
2 of 2 3- (KINETICS) The coefficient of friction under each of the weights shown in Fig. is 0,1. Solve of the acceleration of the weights and the tension T in the rope. Neglect the friction and weight of the pulley. 1000 N 1000 N 30 4- (WORK AND ENRGY) A brick stats from rest on a roof that risess cm for each 12 cm and slides for a distance of 4m before reaching the edge of the roof that is 5m above the ground. The coefficient of friction between the brick and the roof is 0,4. Determine the velocity at which brick leaves the roof and the distance from the building to the point where it strikes the ground. W 5m 5- (Power ) An engine attains a velocity of 30 km/h in 2 min from rest in a train of 200 kN weight on a level line. If the resistance is 5 N per kN, find the greatest horse power the engine is developing and also the greatest velocity it can attain if this power is maintained.
A racetrack curve has radius 90.0 m and is banked at an angle of 12.0. The coefficient of static friction between the tires and the roadway is 0. 400. A race car with mass 1200 kg rounds the curve with the maximum speed to avoid skidding. Part A As the car rounds the curve, what is the normal force exerted on it by the road? Express your answer with the appropriate units. Value Units Submit Request Answer Part B What is the car's radial acceleration? Express your answer with the appropriate units. Value Units Arad = Submit Request Answer
Block A is 30kg And Block B is 20 kg
1) Consider the masses A and B with weight as shown. If the two systems are released from rest, which block will accelerate more quickly? Note that System A has an externally applied load whereas System B has two weights. For full credit, draw the FBD and IRD of each system, compute the acceleration of each system, and state your final predication. System A System B 6 oz 6 oz 10 oz 10 oz
: Tom is interviewing for a new job – a test driver. He was asked to determine whether a vehicle built to test the effects of Problem 1 high accelerations on people is safe. The car moving at a speed of 20 m/s runs into a piston that compresses the air in a cylinder and stops the car in 0.30 m. The 70-kg passenger stops in the same distance due to the force of shoulder straps and seat belts on her body. Draw free-body diagram for the passenger when he is slowing down to a stop inside a car. Assume that the force of the shoulder straps and seat belt is horizontal. Do not forget to draw acceleration vector as well. Choosing the passenger as your system and applying energy conservation law, find the work that the force of shoulder straps b. and seat belts did on his body in this process. C. Now that you have determined the work in the previous part, determine the magnitude of the average force of these restraints on the person during the stop.
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Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A 1200-kg trailer is hitched to a 1400-kg car. The car and trailer are traveling at 61.1 km/h when the driver applies the brakes on both the car and the trailer. The braking force exerted on the car is 6111 N. Neglect any internal force between the trailer hitch and the car. D. A Determine (a) the distance traveled by the car and the trailer before they come to a stop and (b) the braking force applied on the trailer. The distance traveled is m. The braking force applied on the trailer is N.
Question 4 Two blocks are joined by an inextensible cable as shown. The mass of block A is 192.7 kg and the mass of block B is 291.4 kg. If the system is released from rest, determine the acceleration (in m/s²) of block B. Assume that the coefficient of friction between block A and the plane is uk = 0.23 and that the pulley is weightless and frictionless. Round off only on the final answer expressed in 3 decimal places. Use g = 9.81 m/s² A Add your answer 10 Point B
Peturn to tnis part. NOTE: This is a multl-part question. Once an answer is submitted, you wII be unabie A 1-lb ball A and a 2-lb ball B are mounted on a horizontal rod which rotates freely about a vertical shaft. The balls are held in the positions shown by pins where ra = 10 in. The pin holding Bis suddenly removed and the ball moves to position C as the rod rotates. Neglect friction and the mass of the rod and know that the initial speed of A is VA = 8 ft/s. VB 16 in. 16 in. -8 in.- A В Determine the radial and transverse components of the acceleration of ball B immediately after the pin is removed. | ft/s?. ]f/s?. The radial component is The transverse component is