A spring is held by cables so that it is initially compressed by 60mm. This spring is furthercompressed by 40mm and then released to propel a 5kg box up the incline shown in thefigure. The furthest distance that the box travelled along the incline from the instant that thespring was released is 4m. Assume that the box is always in contact with the inclinedsurface.www▶40mm10⁰4m1. Which of the following forces does not do work on the box?Normal ForceSpring forceWeight of the boxNone of these do work on the boxBeforeAfter

Answered: Image /qna-images/answer/b54bc7d9-20e9-4948-87b1-8e48029c3182.jpg

Answered: istance that the box travelled along…

istance that the box travelled along the incline from the instant that the is 4m. Assume that the box is always in contact with the inclined m 4m Before

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

Chapter7: Conservation Of Energy

Section: Chapter Questions

Problem 6P: A block of mass m = 5.00 kg is released from point and slides on the frictionless track shown in...

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Concept explainers

Relative Velocity

It is a measurement of an object with regards to the other object which is moving or stable or stationary. For example, if we are traveling in a bus and the bus is moving at speed of 50km/hr, then our speed is according to the nearby passenger on the bus is zero. According to them, we are not moving. But if one person standing on the ground or road observes us from outside of the bus, according to him we are moving at a speed of 50km/hr and the bus is also moving at a speed of 50km/hr. Now, the motion is recognized by the observer, it depends on a frame of reference or observer. This is motion called relative motion.

Question

A spring is held by cables so that it is initially compressed by 60mm. This spring is further
compressed by 40mm and then released to propel a 5kg box up the incline shown in the
figure. The furthest distance that the box travelled along the incline from the instant that the
spring was released is 4m. Assume that the box is always in contact with the inclined
surface.
www
▶40mm
10⁰
4m
1. Which of the following forces does not do work on the box?
Normal Force
Spring force
Weight of the box
None of these do work on the box
Before
After

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