Chapter 3 Problems
3.2 External and internal forces
3.3 Principle of transmissibility
3.4 Vector product of 2 vectors
3.5 Vector product expressed in rectangular
3.6 Moment of a force about a point
3.7 Varignons Theorem
Chapters 2 Problems
2.2 Resultant of two forces
Addition of vectors
Resultant of concurrent forces
Resolution of forces
2.7 Rectangular components of a force
2.8 Addition of forces
3.3 Determine whether the lOkg block shown is in equilibrium, and
nd the magnitude and direction of the friction force when P = 40 N and
8.4 Determine whether the lOkg block shown is in equilibrium, and
nd the magnitude and direction of the frictio
8. 8 Knowing that the Coefcient of static Ericom between the 80-11) block
and the incline is p3 = 0.25, determine (a) the smallest value of P required
tomaintain the bieck in equilibrium, (2:) the correspOnding value 0113.
6.9 A 15~lb
5.11 and 8.12 The coefcients of friettnn are ,ug = 0.40 and m, = 0.3!
between all surfaces ef eentact. Determine the feree P for which motion
of the 3Ukg block is impending if eehle AB in) is attached as show, (11 is-
Flu. P511 and M?!
5.72 Knmving that w = 300 me, determine (I) the distance at fer
wlch the ratie of the vertical reacen at support 3 to the vertical reacen
at support A is mamum, (b) the mnespendjng reaceus at the supperts.
PRACTICE PROBLEMS COMPREHENSIVE EXAM
Draw the shear and moment diagram of the beam loaded as shown below.
CENTER OF G - STANDARD SHAPES, BEAMS
3.1 4 The 20-11:; block A and the 4er hlock B are at rest on an incline '
as shown. Knowing that the coefcient of static friction is 0.25 between all
'wrfeoes of contact. determine the value of H for which motion is impending;