Q2: The 0.5-kg cylinder A is released from rest from the position shown and drops the distance h; = 0.8 m. It then collides with the 0.4-kg block B; the coeffi- cient of restitution is e = 0.8. Determine the maxi- mum downward displacement ks of block B. Negleet all friction and assume that block B is ini- tially held in place by a hidden mechanism until the collision begins. The two springs of modulus % = 400 N/m are initially unstretched, and the dis- tanced = 1.0m. Q2: The 0.5-kg cylinder A is released from rest from theposition shown and drops the distance h1 = 0.8 m.It then collides with the 0.4-kg block B; the coeffi-cient of restitution is e = 0.8. Determine the maxi-mum downward displacement he of block B.Neglect all friction and assume that block B is ini-tially held in place by a hidden mechanism untilthe collision begins. The two springs of modulusk = 400 N/m are initially unstretched, and the dis-tance d = 1.0 m.wwwwww

The stiffness of a spring is defined as the ratio of the external effort applied to that of the…

Q2: The 0.5-kg cylinder A is released from rest from the position shown and drops the distance h, - 0.8 m. It then collides with the 0.4-kg block B; the coeffi- cient of restitution is e = 0.8. Determine the maxi- mum downward displacement h of block B. Neglect all friction and assume that block B is ini- tially held in place by a hidden mechanism until the collision begins. The two springs of modulus k = 400 N/m are initially unstretched, and the dis- tance d = 1.0 m. A B ww www d-

Q2: The 0.5-kg cylinder A is released from rest from the position shown and drops the distance h, - 0.8 m. It then collides with the 0.4-kg block B; the coeffi- cient of restitution is e = 0.8. Determine the maxi- mum downward displacement h of block B. Neglect all friction and assume that block B is ini- tially held in place by a hidden mechanism until the collision begins. The two springs of modulus k = 400 N/m are initially unstretched, and the dis- tance d = 1.0 m. A B ww www d-

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.79P: The coefficient of rolling resistance between the 30-kg lawn roller and the ground is r=0.1. (a)...

See similar textbooks

Similar questions

Q2: The 0.5-kg cylinder A is released from rest from the position shown and drops the distance hi = 0.8 m. It then collides with the 0.4-kg block B; the coeffi- cient of restitution is e = 0.8. Determine the maxi- mum downward displacement k2 of block B. Neglect all friction and assume that block B is ini- tially held in place by a hidden mechanism until the collision begins. The two springs of modulus k = 400 N/m are initially unstretched, and the dis- tance d = 1.0 m. A h1 B h2 d-
Q2: The 0.4 kg cylinder A is released from rest from the position shown and drops the distance h1 It then collides with the 0.25 kg block B; the coeffi- cient of restitution is e = 0.9 . Determine the maxi- = 1.2 m. mum downward displacement h2 of block B. Neglect all friction and assume that block B is ini- tially held in place by a hidden mechanism until the collision begins. The two springs of modulus k = 300 N/m are initially unstretched, and the dis- tance d = 1.0 m. %3D mA hi h2 d- p.
Q2: The 0,6 kg cylinder A is released from rest from the 1.2 m. position shown and drops the distance h1 It then collides with the 0.4-kg block B; the coeffi- cient of restitution is e mum downward displacement h2 of block B. Neglect all friction and assume that block B is ini- tially held in place by a hidden mechanism until the collision begins. The two springs of modulus 450 N/m are initially unstretched, and the dis- tance d !! 0.7. Determine the maxi- %3D 0.9 m. %3| mA ww ha
The slotted arm OA rotates about a fixed axis through O. At the instant under consideration, 0 = 35%, 0 = 39 deg/s, and Ö = 15 deg/s². Determine the magnited of the force F applied by arm OA and the magnitude of the force N applied by the sides of the slot to the 0.2- kg slider B. Neglect all friction, and let L = 0.68 m. The motion occurs in a vertical plane. 0 -L B m
The spring has an unstretched length of 0.4m and a stiffness of 200N/m. The 3 kg sliderand attached spring are released from rest at A and move in the vertical plane. (a) Computethe change in elastic potential energy from A to B. (b) Compute the change in gravitationalpotential energy from A to B. (c) Compute the velocity of the slider as it reaches B in theabsence of friction.
The slotted arm OA rotates about a fixed axis through O. At the instant under consideration, 0-28%, 0-55 deg/s, and 0 - 10 deg/s². Determine the magnited of the force F applied by arm OA and the magnitude of the force N applied by the sides of the slot to the 0.5-kg slider B. Neglect all friction, and let L -0.75 m. The motion occurs in a vertical plane. Answers: F- N- i i 6 -L m N N B 71°
Slider B moves only vertically (the y-direction). Find the acceleration (positive if up, negative if down). B m y Answer: a, = i m/s2 %3D
The 250-lb concrete block A is released from rest in the position shown and pulls the 400-lb log up the 30o ramp. If the coefficient of kinetic friction between the log and the ramp is 0.5, determine thevelocity of the block as it hits the ground at B.
ifh= 0.4 m, determine the final vekocity of the cart once the block comes to rest on it. A box A, having a mass of 20 kg, is released from rest at the position shown in (Eigure 1) and siides freely down the smooth inclined ramp When it reaches the bottom of the ramp, it slides horizontally onto the surface of a 10.kg cart for which the coefficient of kinetic triction between the cart and the box is pa = 06 Express your answer to three significant figures and include the appropriate units. ? v= 2.29 Submit Previous Answers Request Answer Figure < 1 of 1 X Incorrect; Try Again; 3 attempts remaining Part B -25 m Also, determine the position s of the box on the cart after it comes to rest on the cart Express your answer to three aignificant figures and include the appropriate units. Value Units
The 5.27 kg collar B rests on the frictionless arm AA! The collar is held in place by the rope attached to drum D and rotates about O in a horizontal plane. The linear velocity of the collar B is increasing according to v = 0.2 t2 where v is in m/s and tis in seconds. Find the tension in the rope and the force of the bar on .the collar if 5 s,r= 0.558 m and 0 = 58° A A' D
The 1600 kg car has a velocity of v the driver sees an obstacle 175 m away, in front of the car. It takes 0.8 s for him to react and lock the brake 100 km/h when causing the car to skid. The coefficient of kinetic friction between the tires and the road is p = 0.25. Find the best correct statement(s) from the following for this situation: ,= 100 km/h Select one or more: Work done by the frictionis equal to 617.4 KW The working forces are ficion and the wejght. The car will stop just in front of the pbstacle without hittungui The car will hit the obstadle. The car skid for the distance of 157.34m,
The 1.9-kg slider is released from rest in position A and slides without friction along the vertical-plane guide. Determine the normal force exerted by the guide on the slider (a) just before it passes point C, (b) just after it passes point C, and (c) just before it passes point E. The normal forces are positive if they point up and/or to the left, negative if they point down and/or to the right.