The 135-lb platform A is attached to springs B and D, each of which has a...
Thank you The uniform 45-lb beam is supported by the rope which is attached to the end of the beam, wraps over the rough peg, and is then connected to the 90-lb block. (Figure 1) PartA If the coefficient of static friction between the beam and the block, and between the rope and the peg, is , 04, determine the maximum distance that the block can be placed from A anc still remain in equilibrium. Assume the block will not...
A 2.5-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. The spring has an undeformed length of 4 in and a constant k = 20 lb/ft. Knowing that the collar is at rest at C and is given a slight push to get it moving, determine (a) the velocity of the collar as it passes through point A, and (b) the force exerted by the rod on the collar as...
A mass of 500 grams is attached to two springs whose spring constants are k1=2 N/m and k2 = 5 N/m, which are in turn attached to a wall. The system is on a horizontal frictionless surface. The system is displaced to the right and released. (a) What is the effective spring constant of the two springs in ”series”? Hint use Hooke’s law and the fact that the force required to displace the system is the same acting on each...
PROBLEM 8.29 The 50-lb plate ABCD is attached at A and D to collars that can slide on the vertical rod. Knowing that the coefficient of static friction is 0.40 between both collars and the rod, determine whether the plate is in equilibrium in the position shown when the magnitude of the vertical force applied at E is (a) P-0, (b) P=20 lb. 2n E G 50 Ib c
(A)--Five different experiments are carried out. In each experiment, a block is attached to a horizontal spring. The block is pulled back a certain distance and released. The block oscillates back and forth on a frictionless surface. Rank the maximum force on the block for each of the following situations. (Rank the smallest force as 1). 1 2 3 4 5 A block of mass M is attached to a spring with a spring constant 2k, pulled back a distance d,...
Prob. A 20-b uniform disk is placed in contact with an inclined surface and a constant 7.5 lb-ft couple M is applied as shown. The weight of the link AB is negligible. Knowing that the coefficient of kinetic friction at D is 0.4, determine (a) the angular acceleration of the disk, (b) the force in the link AB. a rough horizontal surface and end B supported by a smooth vertical surface. Knowing that the deceleration of the truck is 12...
Q3-(25 pts) A block of mass m is attached to an ideal spring with rest (equilibrium) length L and spring constant k on the x axis. m other end of the spring is fixed to a wall Initially, the spring is compressed by an amount L/2 and another block of mass 2m is placed in front of the first block (they are not attached). The system is released at t 0 from rest. Ignore friction and the sizes of the...
withinitial Q3-(25 pts) A block of mass m is attached to an ideal spring with rest (equilibrium) length L and spring constant k on the x axis. The other end of the spring is fixed to a wall. Initially, the spring is compressed by an amount L/2 and another block of mass 2m is placed in front of the first block (they are not attached). The system is released at t 0 from rest. Ignore friction and the sizes of...
1. Block A (m 4.5 kg) has a massless spring attached to its side. Block B (m 1.1 kg) is squeezed against the spring compressing it 0.12 m. The blocks are held this way at rest for a short period of time. The blocks are then released and explode away from each other. Block B flies east at 3.8 m/s. a. Calculate the speed and direction Block A travels after the release. b. Calculate the kinetic energy of block A...
A 1.30-kg object is attached to a spring and placed on frictionless, horizontal surface. A horizontal force of 21.0 N is required to hold the object at rest when it is pulled 0.200m from its equilibrium position...... Would you write out the intermediate steps, too, please? A 1.30-kg object is attached to a spring and placed on frictionless, horizontal surface. A horizontal force of 21.0 N is required to hold the object at rest when it is pulled 0.200 m...