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1. When s = 0.6 m, the spring is unstretched and the 10-kg block has a speed of 5 mls down the smooth plane. Determine the distance s when the block stops. -k = 200 N/m 5 m/s F= 100 N 30

1. When s = 0.6 m, the spring is unstretched and the 10-kg block has a speed of 5 mls down the smooth plane. Determine the distance s when the block stops. -k = 200 N/m 5 m/s F= 100 N 30

Structural Analysis
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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1. When s = 0.6 m, the spring is unstretched and the 10-kg block has a speed of 5 mls down the smooth plane. Determine the distance s when the block stops. k = 200 N/m 5 m/s F= 100 N 30/ For educational purposes only. Page | 20 2. The small cart has a speed VA = 4 m/s at point A. Neglecting friction, determine its speed VB as it passes point B. Is knowledge of the shape of the track necessary? A= 4 m/s 1.8 m А 3. The motor unit A is used to elevate the 300-kg cylinder at a constant rate of 2 m/s. If the power meter B registers an electrical input of 2.20 kW, calculate the combined electrical and mechanical efficiency e of the system. 100 kg 300 kg 2 m/s 4. The 10kg block is released from rest on the horizontal surface at point B, where the spring has been stretched a distance of o.5m from its neutral position A. The coefficient of kinetic friction between the block and the plane is o.30. Calculate the velocity of the block as it passes point A and the maximum distance x to the left of A which the block goes. A B 0.5 m k = 300 N/m 10 kg HA = 0.30 5. The spring in the toy gun has an unstretched length of 10o mm. It is compressed and locked in the position shown. When the trigger is pulled, the spring unstretches 12.5 mm, and the 20-g ball moves along the barrel. Determine the speed of the ball when it leaves the gun. Neglect friction. 50 mm 150 mm k = 2 kN/m
Transcribed Image Text:1. When s = 0.6 m, the spring is unstretched and the 10-kg block has a speed of 5 mls down the smooth plane. Determine the distance s when the block stops. k = 200 N/m 5 m/s F= 100 N 30/ For educational purposes only. Page | 20 2. The small cart has a speed VA = 4 m/s at point A. Neglecting friction, determine its speed VB as it passes point B. Is knowledge of the shape of the track necessary? A= 4 m/s 1.8 m А 3. The motor unit A is used to elevate the 300-kg cylinder at a constant rate of 2 m/s. If the power meter B registers an electrical input of 2.20 kW, calculate the combined electrical and mechanical efficiency e of the system. 100 kg 300 kg 2 m/s 4. The 10kg block is released from rest on the horizontal surface at point B, where the spring has been stretched a distance of o.5m from its neutral position A. The coefficient of kinetic friction between the block and the plane is o.30. Calculate the velocity of the block as it passes point A and the maximum distance x to the left of A which the block goes. A B 0.5 m k = 300 N/m 10 kg HA = 0.30 5. The spring in the toy gun has an unstretched length of 10o mm. It is compressed and locked in the position shown. When the trigger is pulled, the spring unstretches 12.5 mm, and the 20-g ball moves along the barrel. Determine the speed of the ball when it leaves the gun. Neglect friction. 50 mm 150 mm k = 2 kN/m
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