Q1: the collar shown in figure (1) has a mass of 3 kg and attached to thelight spring, which has stiffness of 35 N/m and an unstretched length of 2 m.the collar is released from rest at A and slides up the smooth rod under theaction of the constant 75 N force. Calculate the velocity of the collar as itpasses position B.Q2: Crates A and B mass 50 kg and 25 kg, respectively. If they start fromrest, determine their speed when (t = 7 sec). Also, find the force exerted bycrate A on crate B during the motion. The coefficient of kinetic frictionbetween the crates and the ground is µk = 0.3. See figure (2)Q3: The 20-kg block A shown in figure (3) slides on the surface for whichHk = 0.2. The block has a velocity v = 12 m/s when it is s = 3.5 m from the12-kg block B. If the unstretched spring has a stiffness k = 950 N/m,determine the maximum compression of the spring due to the collision. Takee = 0.5.Q4: The pinion A of the hoist motor drives gear B which is attached to thehoisting drum. The load L is lifted from its rest position and acquires anupward velocity of (1m/sec) in a vertical rise of (1.5 m) with constantacceleration. As the load passes this position, compute (a) the acceleration ofpoint C on the cable in contact with the drum and (b) the angular velocityand angular acceleration of the pinion A. See figure (4)Q5: At the instant shown in figure (5) 04 = 6 rad/s, pulley A is given anangular acceleration a = (0.9 0) rad/s², where 0 is in radians. Determine themagnitude of acceleration of point B on pulley C when A rotates4 revolutions. Pulley C has an inner hub which is fixed to its outer one andturns with it.2 mB30P-200 N75 Nk- 35 N/m2.5 mFigure (1)Figure (?)

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Q1: the collar shown in figure (1) has a mass of 3 kg and attached to the light spring, which has stiffness of 35 N/m and an unstretched length of 2 m. the collar is released from rest at A and slides up the smooth rod under the action of the constant 75 N force. Calculate the velocity of the collar as it passes position B.

Q1: the collar shown in figure (1) has a mass of 3 kg and attached to the light spring, which has stiffness of 35 N/m and an unstretched length of 2 m. the collar is released from rest at A and slides up the smooth rod under the action of the constant 75 N force. Calculate the velocity of the collar as it passes position B.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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