a A crate, which has a weight of W, is placed on an inclination. The force P is applied to prevent the crate from sliding down the inclination. a) Determine the minimum required force P, if the coefficient of static friction is us1 b) Determine the friction force (in magnitude) acting at the bottom of the crate if the force P=P, and the coefficient of static friction is usj. c) Determine the minimum required force P, if the coefficient of static friction is u2. Use W=450 N, a=35°, µ1=0.4, Hs2=0.75 and P1=115 N. The minimum required force P in N is (if the coefficient of static friction is us1) (round to the nearest integer): N The magnitude of friction in N is (if the force P-P, and the coefficient of static friction is us1) (round to the nearest integer): N The minimum required force P in N is (if the coefficient of static friction is us2) (round to the nearest integer): N

a A crate, which has a weight of W, is placed on an inclination. The force P is applied to prevent the crate from sliding down the inclination. a) Determine the minimum required force P, if the coefficient of static friction is us1 b) Determine the friction force (in magnitude) acting at the bottom of the crate if the force P=P, and the coefficient of static friction is usj. c) Determine the minimum required force P, if the coefficient of static friction is u2. Use W=450 N, a=35°, µ1=0.4, Hs2=0.75 and P1=115 N. The minimum required force P in N is (if the coefficient of static friction is us1) (round to the nearest integer): N The magnitude of friction in N is (if the force P-P, and the coefficient of static friction is us1) (round to the nearest integer): N The minimum required force P in N is (if the coefficient of static friction is us2) (round to the nearest integer): N

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

A crate, which has a weight of W, is placed on an inclination. The force P
is applied to prevent the crate from sliding down the inclination. a)
Determine the minimum required force P, if the coefficient of static
friction is u31. b) Determine the friction force (in magnitude) acting at
the bottom of the crate if the force P=P1 and the coefficient of statie
friction is µs1. c) Determine the minimum required force P, if the
coefficient of static friction is u32. Use W=450 N, a=35°, us1=0.4,
Hs2=0.75 and P=115 N.
The minimum required force P in N is (if the coefficient of static friction
is µs1) (round to the nearest integer):
N
The magnitude of friction in N is (if the force P-P, and the coefficient of
static friction is u1) (round to the nearest integer):
N
The minimum required force P in N is (if the coefficient of static friction
is µs2) (round to the nearest integer):
N

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