Physics Fundamentals
2nd Edition
ISBN: 9780971313453
Author: Vincent P. Coletta
Publisher: PHYSICS CURRICULUM+INSTRUCT.INC.
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Chapter 4, Problem 46P
To determine
To Find:The forces acting on the block B.
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A 3.00-kg block starts from rest at the top of a 30.0° inclineand slides 2.00 m down the incline in 1.50 s. Find (a) theacceleration of the block, (b) the coefficient of kinetic frictionbetween the block and the incline, (c) the frictional force actingon the block, and (d) the speed of the block after it hasslid 2.00 m.
1 kg is found
A block of mass m =
on an inclined plane that makes an
angle 30° with the horizontal. The
coefficient of static friction and coef-
ficient of kinetic friction between the
block and the incline are: µs
and uk = 0.5. Take the positive di-
rection to be up the inclined plane
0.6
%3D
130°
With the block initially at rest, the acceleration of the block is
Three forces act concurrrently on a body. Force A has a magnitude of 200 N and points 50o N of W; force B has a magnitude of 100 N and points 30o E of N and force C has a magnitude of 300 N and points 40o W of S. What is the magnitude and direction of the resultant R = A - 2B - C?
Chapter 4 Solutions
Physics Fundamentals
Ch. 4 - Prob. 1QCh. 4 - Prob. 2QCh. 4 - Prob. 3QCh. 4 - Prob. 4QCh. 4 - Prob. 5QCh. 4 - Prob. 6QCh. 4 - Prob. 7QCh. 4 - Prob. 8QCh. 4 - Prob. 9QCh. 4 - Prob. 10Q
Ch. 4 - Prob. 11QCh. 4 - Prob. 12QCh. 4 - Prob. 13QCh. 4 - Prob. 14QCh. 4 - Prob. 15QCh. 4 - Prob. 16QCh. 4 - Prob. 1PCh. 4 - Prob. 2PCh. 4 - Prob. 3PCh. 4 - Prob. 4PCh. 4 - Prob. 5PCh. 4 - Prob. 6PCh. 4 - Prob. 7PCh. 4 - Prob. 8PCh. 4 - Prob. 9PCh. 4 - Prob. 10PCh. 4 - Prob. 11PCh. 4 - Prob. 12PCh. 4 - Prob. 13PCh. 4 - Prob. 14PCh. 4 - Prob. 15PCh. 4 - Prob. 16PCh. 4 - Prob. 17PCh. 4 - Prob. 18PCh. 4 - Prob. 19PCh. 4 - Prob. 20PCh. 4 - Prob. 21PCh. 4 - Prob. 22PCh. 4 - Prob. 23PCh. 4 - Prob. 24PCh. 4 - Prob. 25PCh. 4 - Prob. 26PCh. 4 - Prob. 27PCh. 4 - Prob. 28PCh. 4 - Prob. 29PCh. 4 - Prob. 30PCh. 4 - Prob. 31PCh. 4 - Prob. 32PCh. 4 - Prob. 33PCh. 4 - Prob. 34PCh. 4 - Prob. 35PCh. 4 - Prob. 36PCh. 4 - Prob. 37PCh. 4 - Prob. 38PCh. 4 - Prob. 39PCh. 4 - Prob. 40PCh. 4 - Prob. 41PCh. 4 - Prob. 42PCh. 4 - Prob. 43PCh. 4 - Prob. 44PCh. 4 - Prob. 45PCh. 4 - Prob. 46PCh. 4 - Prob. 47PCh. 4 - Prob. 48PCh. 4 - Prob. 49PCh. 4 - Prob. 50PCh. 4 - Prob. 51PCh. 4 - Prob. 52PCh. 4 - Prob. 53PCh. 4 - Prob. 54PCh. 4 - Prob. 55PCh. 4 - Prob. 56P
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- Three forces in the x-y plane act on a 4.40 kg mass: 14.90 N directed at 57o, 8.40 N directed at 168o, and 5.30 N directed at 195o. All angles are measured from the positive x-axis, with positive angles in the Counter-Clockwise direction. Calculate the magnitude of the acceleration. Calculate the direction of the resultant force using the same sign convention as above (in degrees).arrow_forwardTo move a large crate of mass 32.0 kg across a rough floor, with coefficient of kinetic friction between the crate and the floor is k = 0.45, you pull on it with a Force P at an angle of 30o above the horizontal and some else also pushes on the crate with a force F at an angle 45o below the horizontal. (The applied forces, F & P, on the crate starts it moving.) (a) Find the Normal force acting on the crate. (b) Find the acceleration of the crate if the applied force is F = 130 N & P = 300 N.arrow_forwardThe figure shows an overhead view of a 0.026 kg lemon half and two of the three horizontal forces that act on it as it is on a frictionless table. Force F has a magnitude of 3N and is at e, - 31. Force F2 has a magnitude of 10 N and is at 02- 33". In unit-vector notation, what is t third force if the lemon half (a) is stationary, (b) has the constant velocity V (137-14) m (12h- 14) m/s?, where t is time? %3D and (c) has the V = %3Darrow_forward
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