Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 9 Answered

You get hurt when you kick a stone. Explain.
Asked by Topperlearning User | 09 Nov, 2016, 03:51: PM
answered-by-expert Expert Answer

When we kick a stone, our foot is suddenly stopped. In other words, the time in which the foot comes to rest is very small. When the time factor is small, the force on our foot (i.e. rate of change of momentum) is large and we get hurt.

Answered by | 09 Nov, 2016, 05:51: PM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 9 - Physics
A girl of mass 40 kg jumps with a horizontal velocity of 5m/s onto a stationary cart with frictionless wheels.The mass of the cart is 3 kg.What is her velocity as the cart starts moving?Assume that there is no external unbalnaced force working in the horizontal direction.  
Asked by rufinusrath | 28 Oct, 2020, 12:44: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Physics
define thrust
Asked by triptitiwari104 | 29 Apr, 2020, 09:07: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Physics
What is Newtons third law of motion
Asked by Varun | 24 Jan, 2020, 11:59: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Physics
I would like to know whether action and reaction can be interchanged in newtons third law
Asked by deepamajulal | 14 Sep, 2019, 08:43: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Physics
 according to newtons third law to every action there is equal and opposite reaction but I have a doubt whether action should happen first or the reaction
Asked by deepamajulal | 13 Sep, 2019, 10:07: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Physics
Hitting the ball to the floor is an example for Newton's third law?
Asked by prasku2006 | 12 Sep, 2019, 11:12: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Physics
First law and second law and third law motion examples
Asked by nssdhs | 21 Jul, 2019, 07:41: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Physics
3 rd law motion formula  
Asked by shinulenchy | 30 Jan, 2019, 07:39: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Physics
If action and reaction forces are equal and opposite, then why do they result in change in momentum of the body?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Physics
Why is it difficult for a fireman to hold a hose pipe, which ejects a large amount of water at a high velocity?
Asked by Topperlearning User | 08 Sep, 2016, 04:28: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×