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3
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5.5k
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A particle moving in the +ve x direction has an acceleration, $a = 100 - 4v^2 m/s^2. $
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
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A ladder of 4 m length weighing 200 N is placed as shown in fig . $\mu_B=0.25$ & $\mu_A =0.35$ Calculate the minimum horizontal force to be applied at A to prevent slipping
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
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A Paint box weighing 9 kg is kept on a wooden block weighing 1.2kg (fig).
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
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A ladder AB of length 3m and weight 25kg is resting against a vertical wall and a horizontal floor. The ladder makes an angle 50 degrees with the floor.
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
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Assuming the values for $\mu=0.25$ at the floor and 0.3 at the wall and 0.2 between the blocks.
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
3
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A block of weight 1000N is kept on a rough inclined surface. Find out range of P for which the block will be in equilibrium
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
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For the block shown in figure, find the minimum value of P, which will just disturb the equilibrium of the system
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
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Define Angle of friction and angle of response.
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
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Find force requires to pull block B as shown, Coefficient of friction between A and B is 0.3 and between B and floor is 0.25. Mass of A=40kg and B=60kg.
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
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A block of weight 800N is acted upon by a horizontal force P as shown in figure. If the coefficient of friction between the block and inclined are
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
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78k
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Define angle of friction and angle of repose. Show that angle of friction is equal to angle of repose.
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
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The mass of A = 23kg & B= 36kg. The coeff. Of friction are 0.4 between A & B and 0.2 between ground & block B. assume smooth drum. Determine the maximum mass of M at impending motion.
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
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Explain angle of friction, angle of repose & relation between the two.
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
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5.5k
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Find the necessary force to raise a heavy stone block of 2000 N. Take coeff. of friction as 0.25 for all surfaces. Neglect the weight of wedge. Wedge angle is $15^\circ$.
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
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State the laws of friction
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
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The line of action of three forces concurrent at origin O pass respectively through points A (-1, 2, 4), B (3, 0, -3) & C (2,-2, 4)m.
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
1
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A pole is held in a place by 3 cables. If the force of each cable acting on pole is as shown in fig. Determine the resultant.
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
0
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A force of magnitude 500 N is acting from A (2, 3, 6) and passes through a point B(6, 2, 6). Compute its moment about point C (4, 6, 3).
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
1
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Find the resultant of the spatial concurrent force system concurrent at A (1, 0, 0) and passing through points B (-1, 3, 5), C(3, 5, 7), D(0, 4, 0).
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
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2.8k
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Find out min. value of P to start the motion.
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
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1
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A rectangular parallelepiped carries three forces shown in fig. Reduce the force system to a resultant force applied at the origin and a moment around origin.
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
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1
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A force of 100 N acts at a point P(-2, 3, 5)m has its line of action through Q(10, 3, 4)m. Calculate moment of this force about origin (0, 0, 0)
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
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A force of 1200 KN acts along PQ, P(4,5,-2)m & Q(-3,1,6)m. Calculate its moment about a point A(3,2,0)m
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
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A force of 10KN acts at point P(2,3,5)m & has its line of action passing through Q(10,-3,4)m. Calculate moment of this force about a point S(1,-10,3)m.
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
3
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Force $F=(3i-4j+12k)N$ acts at point $A(1, -2, 3).$ Find -
engineering mechanics updated 5.6 years ago by teamques10 ★ 70k
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