Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

1Answer all questions with tidy and neat diagrams accompanying detailed workout steps. A boy with 81.6 kg weight walks up a plank BE (distance from

1Answer all questions with tidy and neat diagrams accompanying detailed workout steps.

image text in transcribed
A boy with 81.6 kg weight walks up a plank BE (distance from B to D is 3m), which rests on a ramp sloping at 30 to the horizontal. It rests on a frictionless roller support at D. 3m D B 450 30 (i) Draw possible free body diagrams capturing the boy's weight when he is at B with external force, reaction forces at B and D and Friction at B. (10marks) (ii) What is the value of the coefficient of static friction, if the plank does not slide down the slope when he is at point B? (5marks) (iii) Can the boy reach Point D? Why? (5marks)

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Design And Analysis Of Experiments Vol. 1

Authors: Klaus Hinkelmann

1st Edition

0471727563, 9780471727569

More Books

Students also viewed these Physics questions

Question

Use the guidelines of this section to sketch the curve. y = x* 4x

Answered: 1 week ago

Question

b. What is the persons job title?

Answered: 1 week ago

Question

6. How can hidden knowledge guide our actions?

Answered: 1 week ago

Question

7. How can the models we use have a detrimental effect on others?

Answered: 1 week ago