An elevator with a mass of 4850kg is to be designed so that the max acceleration is 0.068g. What are the maximum and minimum forces the motor should exert on the supporting cable?  I know the answers are rounded to 50800N (max) and 44300N(min), but I have no clue how to get those numbers.

Q: A 40.0-kg child swings in a swing supported by two chains, each 3.00 m long. The tension in each…

A:

Q: The chain binder is used to secure loads of logs, lumber, pipe, and the like. If the tension T₁ is…

A: Apply the equilibrium condition of the moment about point A to determine the value of P.

Q: A block with mass mp = 6.75 kg is suspended on a string. You pull upwards on the string creating a…

A: Given value--- mass = 6.75 kg. tension = 70.9175 N. initial speed = 3.25 m/s. time = 2.5 second .…

Q: Suppose you use an ideal pulley of the type shown in image (a) in the figure below to support a car…

A:

Q: A person pushing a uniformly-loaded 51.2 kg wheelbarrow of length L with pushing force P is…

A: Normal force exerted by the wheel is, N=W2=mg2=51.2 kg9.8 m/s22=250.88 N

Q: Can someone help with this?

A:

Q: Determine the reactions at A and E if P = 34 N. What is the maximum value which P may have for…

A:

Q: In (Figure 1), an 86 kg construction worker sits down 2.5 m from the end of a 1450 kg steel beam to…

A:

Q: This figure shows a person preparing to do a pushup. Calculate the back extensor force (Fm) required…

A:

Q: 6. A tetherball of mass 3 kg is suspended from a rope of length 5.0 m and travels a circle of radius…

A:

Q: The maximum static coefficient of friction between the tires of a 2000 kg car and the road is µs,max…

A: Given data The car's mass is: m = 2000 kg The friction coefficient is: μs,max=0.25 The rotation's…

Q: The coefficient of friction between the 50 Ib weight and the 300 Ib weight is 0.5. The 300 Ib weight…

A:

Q: A 40.0kg child swings in a swing supported by two chains, each 3.00m long. The tension in each chain…

A: Mass of child= 40 Kg Length of chains= 3 m   Tension in chains= 350 N each

Q: A rope tow is used to move snow skiers along a 40º incline. The tow is designed to simultaneously…

A: The objective of the question is to find the total force that the winch at the top of the hill must…

Q: OK, one more time. This time the magnet has mass 6.18 kg and the force pulling it to the right is…

A:

Q: This time the magnet has mass 5.04 kg and the force pulling it to the right is 169.1 N. When the…

A: The force pulling the magnet to the right is 169.1 N. The force of kinetic friction acting on the…

Q: To get a toolbox up an inclined slope, a student installs a pulley system as in the picture shown.…

A:

Q: the forces on the beam are replaced by an equivalent Force-Position system, determine the distance d…

A:

Q: Static Friction Force Revisited Now let's go back and consider the static situation again. Let the…

A: Static friction fs  = μ Ν  Hence we can calculate static friction by finding the value of N.

Q: Two people (a child and parent) are sitting on a teeter-totter of length L = 3 m and mass m = 10 kg.…

A:

Q: The spool is supported on rollers A and B which rotate without friction. By exerting a force T=…

A: in this question we use simple inertia equation and then angular motion equation.

Q: A 100 kg man swings from a 10.0 m long rope. The man starts from rest at position A and the rope…

A:

Q: A weight hangs on a 1.0 m long rope. How high does it rise if we push it from a resting position at…

A:

Q: (a) A 2.29 kg salami is supported by a cord that runs to a spring scale, which is supported by…

A:

Q: This time the magnet has mass 7.49 kg and the force pulling it to the right is 156.6 N. When the…

A: Given: Mass of magnet m : 7.49 kg Force applied F : 156.6 N Coefficient of kinetic friction μ=0.341…

Q: what are the forces due to each of the legs on the table, in Newtons?

A:

Q: What is the magnitude of all three ropes' tension

A: Step 1:Length is 2mMass is 28kgForce is 685NDistance is 0.5mAngle is 40oStep 2:From the free body…

Q: Four people stand at the corners of a square. Fred stands at the point (0,0), Ted at (1,0), Ed at…

A: According to the question data forces pulled by the Fred= 27 N,   in the direction AB Ted=18 N, in…

Q: SAP..

A: Given, True value of weight= 5.00 g Measured value of weight = 5.5983 g Percentage error is…

Q: Cable AB passes over the small ideal pulley C without a change in its tension. What length of cable…

A: The cable passes over the pullet without any change in tension.  The free body diagram at C  The…

Q: cted by ropes, as depicted in Figure 1. The coefficient of kinetic friction between m1 and m2 is…

A: Given: The Mass of Block 1 (m1)=2 kg The Mass of Block 2 (m2)=3 kg The Mass of Block 3 (m3)=10 kg

Q: Two boxes with weights of 10 N and 30N are connected to each other by a string as shown in the…

A:

Q: In the Atwood machine shown below, m, = 2.00 kg and m2 = 5.60 kg. The masses of the pulley and…

A:

Q: OK, one more time. This time the magnet has mass 6.05 kg and the force pulling it to the right is…

A:

Q: 1.0m 3.0m 0.5m mi m, PA N, 5. The drawing above shows two objects on a board supported at two…

A: Given, M1 = 40 kg M2 = 20 kg M3 = 10 kg  We know g = 9.8 m/s2

Q: Four forces are exerted on the eyebolt as shown. If the net effect on the bolt is a direct pull of…

A: Given: Force, F1=375 lb           F2=250 lb           F3=440 lb Angle, ϕ=31°

Q: 11. The sketch shows a painter's scaffold in mechanical equilibrium. The person in the middle…

A:

Q: Cable AB passes over the small ideal pulley C without a change in its tension. What length of cable…

A:

Q: For the mechanism shown below, compute the magnitude of the force (F) required to break contact at…

A: Given s = 10 mm K = 1800 N/m Compute the magnitude of the force (F) required to break contact at…

Q: A crate of mass m=31.9 kg is in the bed of a pickup truck with the tailgate closed. There is…

A: Given:-  The mass of the crate is m = 31.9 kg.  The truck accelerates forward on the horizontal…

Q: In the figure here three ballot boxes are connected by cords, one of which wraps over a pulley…

A: geven mass of A = mA = 27 kg mass of B = mB = 41 kg mass of C = mC = 15 kg all surfaces are smooth…

Q: A system comprised blocks, a light frictionless pulley, and connecting ropes is shown in the figure.…

A:

Q: In the figure, it F= 20 N, m1 = m2 = 3 kg, and the acceleration is 0.50 m/s2, what will be the…

A: The total mass is  3+3=6 kg The resultant force is F=ma=6×0.5=3 N The external force applied is 20…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!