Mass of both blocks F 14kg. The friction coefficient for this bar is µ= 0.4. The spring constant k= 60 N/m. The spring is compressed 0.1 m and then released. d Find: 1. The magnitude of block B's acceleration 2. The magnitude of tension of the rope A B a=?
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- The block of weight W is pulled by the force P inclined at the angle to the horizontal. Find the smallest force P and the corresponding angle that would cause impending sliding of the block. The angle of static friction between the block and the ground is s.The force P applied to the brake handle enables the band brake to reduce the angular speed of a rotating drum. If the tensile strength of the band is 3800 lb, find the maximum safe value of P and the corresponding braking torque acting on the drum. Assume that the drum is rotating clockwise.The coeffient of static friction between the uniform bar AB of weight W and the ground is 0.45. Find the smallest angle and the corresponding force P that would initiate simultaneous tipping and sliding of the bar.
- consider the mass and pulley system in the attached file. mass m1 = 29 kg and mass m2 = 12kg. the angle of the inclined plane is given and the coefficient of kinetic friction between mass m2 and the inclined plane is uk = 0.12. assume the pulleys are massless and frictionless when mass m2 moves a distance 4.94 m up the ramp, how far downward does mass m1 move? d= ?Q Search 1. The ramp in Figure is frictionless. If the blocks are released from rest, which way does the 10 kg block slide, and what is the magnitude of its acceleration? 10 kg S0kg 40 2. In the diagram below, block A weighs 100N. The coefficient of static friction between the block and the surface on which it rests is 0.40. Find the maximum weight w for which the sVstem will remain in equilibrium.The figure shows a pair of pin-jointed gripper-tongs holding an object weighing 2000 N. The coefficient of friction (u) at the gripping surface is 0.1. XX is the line of action of the input force and YY is the line of application of gripping force. If the pin- joint is assumed to be frictionless, the magnitude of force Frequired to hold the weight is F Pin Y- 2000 N 150mm ww 00
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- A ladder of length 2L and mass M is positioned on level ground leaning against a wall such that the angle between the ladder and the horizontal is @. The coefficient of static friction between the ladder and the wall and between the ladder and the ground is jistatic = 0.66. The centre of mass ofthe ladder is halfway along it. For the ladder to be in mechanical equilibrium: Write down equations for the total r- and y-components of the 5 forces acting on the ladderThe system shown is in static equilibrium and motionless. • The force "P" is at the maximum magnitude that will not initiate motion. NOTE: Submitted responses shall be to 4 significant figures. Do NOT use scientific notation. Find: 1. The magnitude of weight of Block-A is 2. The magnitude of internal force in the rope is N. _N. 3. The magnitude of normal force between Block-A and Block-B is N. 4. The magnitude of friction force between Block-A and Block-B is N. 5. The magnitude of normal force between Block-B and the Ground is 6. The magnitude of friction force between Block-B and the Ground is 7. The magnitude of force P is_N. _N. N. A 100 kg 30° H, = 0.30 200 kg B P -Hy = 0.20The 500KN block shown is in contact with a 45°incline. The w coefficient of friction is 0.25. Determine the horizontal force P necessary to 1.Just start the block up the 45° incline 2.Just to prevent the motion down the incline. 3.lf P=400KN, what is the amount and direction of friction force?