3. When a 4 kg mass is hung vertically on a certain light spring that obeys Hooke's law, thespring stretches 2.5 cm. If the 4 kg mass is removed, how far will the spring stretch if a 1.5 kgspring stretches 2.5 cm. If the 4 kg mass is removed how far will the spring stretch if a 1.5 ksmass is hung on it?*. A compressed spring has potential energy of 30 J. If the spring constant of the spring is 200N/m, find the displacement of the spring?5. In a tug of war, team x pulled team y with a force of 1000 N a distance of 50 meters. Team ydid not win because they were only able to exert of force of 8000 N. Calculate the work ofteam x.

spring stretches 2.5 cm. If the 4 kg mass is removed, how far will the spring stretch if a 1.5 kg When a 4 kg mass is hung vertically on a certain light spring that obeys Hooke's law, the 3. mass is hung on it? 4. A compressed spring has potential energy of 30 J. If the spring constant of the spring is 200 N/m, find the displacement of the spring? 5. In a tug of war, team y nulled team y with a force of 1000 N a distance of 50 meters. Team y

spring stretches 2.5 cm. If the 4 kg mass is removed, how far will the spring stretch if a 1.5 kg When a 4 kg mass is hung vertically on a certain light spring that obeys Hooke's law, the 3. mass is hung on it? 4. A compressed spring has potential energy of 30 J. If the spring constant of the spring is 200 N/m, find the displacement of the spring? 5. In a tug of war, team y nulled team y with a force of 1000 N a distance of 50 meters. Team y

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter6: Energy Of A System

Section: Chapter Questions

Problem 29P

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Concept explainers

Spring Potential Energy

The potential energy is the energy possessed by a body by virtue of its position or the energy held by the object due to its position relative to other objects, its force like stresses, charge, and other factors affecting the particles of the body. The potential energy is the measure of the net work done by or on the body. The spring potential energy is the potential energy stored due to the deformation of an elastic spring and this elasticity is due to the stretched spring. The elasticity is the ability of a solid-state matter to come back to its equilibrium position or original position after any kind of external force is acted on it. It is also known as Elastic potential energy. The potential energy here is caused due to the displacement of the spring from its equilibrium position to another position and this potential energy is equal to the net work done due to the stretching of the spring. It also resembles the same mechanics of the oscillation of a simple pendulum, where due to the external force, the object moves from its equilibrium position to its maximum ends and the periodic motion continues till it comes back to the equilibrium position to rest. 

Question

3. When a 4 kg mass is hung vertically on a certain light spring that obeys Hooke's law, the
spring stretches 2.5 cm. If the 4 kg mass is removed, how far will the spring stretch if a 1.5 kg
spring stretches 2.5 cm. If the 4 kg mass is removed how far will the spring stretch if a 1.5 ks
mass is hung on it?
*. A compressed spring has potential energy of 30 J. If the spring constant of the spring is 200
N/m, find the displacement of the spring?
5. In a tug of war, team x pulled team y with a force of 1000 N a distance of 50 meters. Team y
did not win because they were only able to exert of force of 8000 N. Calculate the work of
team x.

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