Showing 141 to 150 of 1245 Questions

The boom on a 4300kg truck is used to unload a pallet of shingles of mass 1600 kg. Determine the reaction at each of the two (a) Rear wheels B, (b) Front wheels C.
0153 
Two children are standing on a diving board of mass 65 kg. Knowing that the masses of the children at C and D are 28 kg and 40 kg, respectively, determine (a) The reaction at A, (b) The reaction at B.
0110 
Two crates, each weighing 250 lb, are placed as shown in the bed of a 3000lb pickup truck. Determine the reactions at each of the two(a) Rear wheels A, (b) Front wheels B.
0143 
Solve Problem 4.3 assuming that crate D is removed and that the position of crate C is unchanged. P4.3 The boom on a 4300kg truck is used to unload a pallet of shingles of mass 1600 kg. Determine the reaction at each of the two (a) Rear wheels B, (b) Front wheels C
0121 
A Tshaped bracket supports the four loads shown. Determine the reactions at A and B if (a) 100 a = mm, (b) a = 70 mm.
0881 
For the bracket and loading of Problem 4.5, determine the smallest distance a if the bracket is not to move. P4.5 A Tshaped bracket supports the four loads shown. Determine the reactions at A and B if (a) 100 a = mm, (b) a = 70 mm.
0281 
A hand truck is used to move two barrels, each weighing 80 lb. Neglecting the weight of the hand truck, determine (a) The vertical force P which should be applied to the handle to maintain equilibrium when α = 35o, (b) The corresponding reaction at each of the two wheels.
0182 
Solve Problem 4.7 when α = 40o. P4.7 A hand truck is used to move two barrels, each weighing 80 lb. Neglecting the weight of the hand truck, determine (a) The vertical force P which should be applied to the handle to maintain equilibrium when α = 35o, (b) The corresponding reaction at each of the two wheels.
0112 
Four boxes are placed on a uniform 14kg wooden plank which rests on two sawhorses. Knowing that the masses of boxes B and D are 4.5 kg and 45 kg, respectively, determine the range of values of the mass of box A so that the plank remains in equilibrium when box C is removed.
0116 
A control rod is attached to a crank at A and cords are attached at B and C. For the given force in the rod, determine the range of values of the tension in the cord at C knowing that the cords must remain taut and that the maximum allowed tension in a cord is 180 N.
0138