Question: An elevator cab that weighs 27.8kN moves upward. What is the tension in the cable if the cab's speed is? (a) Increasing at a rate

An elevator cab that weighs 27.8kN moves upward. What is the tension in the cable if the cab's speed is?

(a) Increasing at a rate of 1 .22 m/s2 and

(b) Decreasing at a rate of 1 .22 m/s2?

Step by Step Solution

★★★★★

3.45 Rating (165 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

a The mass of the elevator is m 27800980 2837 kg and with y upward the acceleration ... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Document Format (1 attachment)

Word file Icon

2-P-M-L-M (439).docx

120 KBs Word File

Students Have Also Explored These Related Mechanics Questions!

Q:

A marine salvage crew raises a crate that measures 1.4 m x 0.75 m x 0.5 m. The average density of the empty crate is the same as seawater, 1.025 x 10 3 kg/m 3 , and its mass when empty is 32 kg. The...

Q:

An automobile engine uses gasoline at a rate of 1 ft3/hr. Gasoline has a density of 45 lbm/ft3 and a heating value of 21 000 Btu/lbm. If the engine has a thermodynamic efficiency of a) 30%, b) 25%,...

Q:

The tension in the cable attached to the end C of an adjustable boom ABC is 1000 N. Replace the force exerted by the cable at C with an equivalent force-couple system (a) At A, (b) At B.

Q:

View Policies Show Attempt History Current Attempt in Progress Your answer is partially correct. An object falls a distance h from rest. If it travels 0.420h in the last 1.00 s, find (a) the time and...

Q:

An elevator cab that weighs 29.7 kN moves upward. What is the tension in the cable if the cab's speed is (a) increasing at a rate of 1.20 m/s2 and (b) decreasing at a rate of 1.20 m/s?? (a) Number i...

Q:

Question 4 of 15 -16.7 E View Policies Current Attempt In Progress A sphere of mass 4.3 = 10* kg is suspended from a cord. A steady horizontal breeze pushes the sphere so that the cord makes a...

Q:

Answer the following question and free body diagram is needed. . A man is dragging a trunk up the loading ramp of a mover's truck. The ramp has a slope angle of 20.0, and the man pulls upward with a...

Q:

Table of contents X Search this book 6 Applications of Newton's Laws 6.1 Solving Problems with Newton's Laws Introduction 25. A 30.0-kg girl in a swing is pushed to one side and held at rest by a...

Q:

6. A small car with mass of 0.800 kg travels at a constant speed on the inside of a track that is a vertical circle with radius 5.00 m. If the normal force exerted by the track on the car when it is...

Q:

1. What force is needed to accelerate a sled (total mass = 55 kg ) at 1.8 m/s2m/s2 on horizontal frictionless ice? two significant figures and unit 2. Calculate the magnitude of the force on a 88-kg...

Q:

XY Ltd's sells T-shirts. It uses the periodic inventory system. It's inventory at the beginning of the month June and all purchases during the month of June 2019 are provided as below. Ignore GST....

Q:

Now suppose we modify so that in addition to noise in the resistor there is also a weak (constant) signal present. Thus, when we measure the voltage across the resistor, we do not necessarily expect...

Q:

What do type-I and type-II errors mean in SPC charts?

Q:

If f(x) is a polynomial of degree 4 with leading coefficient 1 and f (1) = 1, f (2) = 2, f (3) = 3 then the f(5)+-1)7 F(0)+f(4) value of is multiple of ([ .] denotes GIF) (A) 10 (B) 5 (C) 7 (D) 9

Q:

Shoveling snow can be extremely taxing because the arms have such a low efficiency in this activity. Suppose a person shoveling a footpath metabolizes food at the rate of 800 W. (a) What is her...

Q:

A box of canned goods slides down a ramp from street level into the basement of a grocery store with acceleration 0.75 mls2 directed down the ramp. The ramp makes an angle of 40 with the horizontal....

Q:

Block A in Figure, has mass m A = 4.0 kg, and block B has mass m B = 2.0 kg. The coefficient of kinetic friction between block B and the horizontal plane is k = 0.50. The inclined plane is...

Q:

In Figure, block 1 of mass m 1 = 2.0 kg and block 2 of mass m 2 = 1.0 kg are connected by a string of negligible mass. Block 2 is pushed by force F of magnitude 20 N and angle = 35. The coefficient...

Q:

A ice block floating in a river is pushed through a displacement d = (15 m)i - (12 m)j along a straight embankment by rushing water, which exerts a force F = (210 N)i - (150 N)j on the block. How...

Q:

In Figure a cord runs around two massless, frictionless pulleys. A canister with mass m = 20 kg hangs from one pulley, and you exert a force F on the free end of the cord. (a) What must be the...

Q:

The following gives information about the proportion of a sample that agree with a certain statement. Use StatKey or other technology to find a confidence interval at the given confidence level for...