User Account

All Pages

What force parallel to the plank will be needed

Assignment Help Physics
Reference no: EM13956622

1. What force is required to drag a sack of rice weighing 105 lb if the coefficient of friction is 0.25?

(a) when the force is parallel to the surface,

(b) when the force makes 37° above the horizontal.

2. A piano weighing 600 lb is to be raised to a platform 4 ft high through a plank 10 ft long. If the coefficient of friction is 0.30, what force parallel to the plank will be needed?

Reference no: EM13956622

Questions Cloud

Combination of boral and chromal : The maximum demand for Boral is 10,500 tons/month and for Chromal 6,000 tons/month.  The contributions/ton are Boral: $25, and Chromal: $35. What combination of Boral and Chromal maximizes total monthly contribution?
Prepare the operating activities section of the statement : Prepare the operating activities section of the statement of cash flows using the indirect method.
Find the probability that the bettor wins on the first roll. : Given that 8 is the outcome on the first roll, find the probability that the bettor now rolls the point 8 before rolling a 7 and thus wins. Note that at this stage in the game the only outcomes of interest are 7 and 8. Thus find P(8 | 7 or 8).
Find the probability that a valve : a. Find the probability that a valve is ground only once. b. Given that a valve is not reground, what is the probability that it is scrapped? c. Find the probability that a valve is scrapped.
What force parallel to the plank will be needed : A piano weighing 600 lb is to be raised to a platform 4 ft high through a plank 10 ft long. If the coefficient of friction is 0.30, what force parallel to the plank will be needed?
What is the target cost per unit : Does the new product get eliminated from consideration now? What is the target cost per unit?
Relationships between it level and birth order : In order to study whether there is a relationships between it level and birth order, data were collected from a sample of 540 student on their birth order (oldest/in between/youngest ) and their score on an it test the data collected in this study..
Young man gave driver license to officer with shaking hands : The young man gave his driver’s license to the officer with shaking hands. Richard must have almost answered a hundred ads before he found a job. Stan bought a sports car from a fast-talking salesman with flames. While at the theater, Jan’s coat was ..
Director of marketing for a regional hospital : You are the director of marketing for a regional hospital. The board of directors at your hospital has studied the 2011 Institute of Medicine (IOM) report Early Childhood Obesity Prevention Policies.

Reviews

Write a Review

Physics Questions & Answers

  Where should a child sit to balance the seesaw

A child with a mass of 18 kg sits at a distance of 2 m from the pivot point of a seesaw. Where should a 15 kg child sit to balance the seesaw

  Explain the angular momentum of the system

determine the torque about the axis immediately after the bug lands on sphere.

  Evaluate how much energy is stored in the capacitor

Two parallel sheets of aluminum foil separated by 0.1 millimeter are connected to a 9 Volt battery. The area of each sheet is 0.5 m2. Determine how much energy is stored in the capacitor

  What is direction of the velocity of the canoe

What is direction of the velocity of the canoe

  A 075-mw laser emits a narrow beam of light that enters the

a 0.75-mw laser emits a narrow beam of light that enters the eye as shown in the figure.a how much energy is absorbed

  What electric field does the electron experience

Consider an electron in a hydrogen atom, which is 0.050 nm from the proton in the nucleus, What electric field does the electron experience

  What is the net work performed through one cycle

Through a cycle, a heat engine receives 2.78×104 J of heat from the hot reservoir and gives up 1.83×104 J of heat to the cold reservoir. What is the net work performed through one cycle?

  Using cylindrical coordinates find the canonical

consider a system that consists of a rigid body in three-space with on point fixed. using cylindrical coordinates find

  Evaluate the satellites altitude above surface of earth

A satellite moves in a circular orbit around Earth at a speed of4567 m/s. Determine the satellite's altitude abovethe surface of Earth

  Calculate the speed of the microwaves from these data

A microwave oven is powered by an electron tube called a magnetron that generates electromagnetic waves of frequency 2.25 GHz, Calculate the speed of the microwaves from these data.

  What is the potential difference across the capacitor plates

The electric potential energy stored in the capacitor of a defibrillator is 58 J, What is the potential difference across the capacitor plates?

  A how far is the blackboard from her eyes b if the writing

a student is reading a lecture written on a blackboard. the lenses in her eyes have a refractive power of 54.66

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd