0

Guest

Courses New

Abody is moving with a speed of 1 m/s and a force F is needed to stop it in a distance x. If the speed of body 3 m/ s , the force needed to stop it with the same distance x will be:

Abody is moving with a speed of 1 m/s and a force F is needed to stop it in a distance x. If the speed of body 3 m/ s , the force needed to stop it with the same distance x will be:

Grade:12th pass

1 Answers

Arun
25750 Points
6 years ago
V² = u² + 2ax
a = v² - u² /2x
a = 0 - 3²/2x
= -9/2x
If initial vel is 1 m/sec, then force required is proportional to 1/2x
When vel is 3m/sec, then force required is 9 times of the former.
Hence force required = 9F

Think You Can Provide A Better Answer ?

Other Related Questions on Mechanics

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More