Impact Force
Impact Force
The impact force is a force of very high magnitude acting for a short period of time. A high velocity collision is an example of an impact force. Usually when a collision occurs at low velocity, the force generated during the time taken by the object to come to rest will be less and hence it dissipates a lot of energy through vibrations and deformation. But when the collision occurs at a very high velocity the force generated during the time taken by the object to come to rest will be very large and this is impact force, the time is not sufficient for these vibrations or deformation to occur. So under a high impact force, materials break rather than deform. As you can see in a highway accident. So an impact force causes more damage than smaller force acting for a longer duration.
In the image above the car moving with high velocity hit the wall in the front and get deformed. This occur due to the high impact force.
When a hammer strikes a nail, the high velocity impact force tends to drive in the nail since there is no time for friction to act. Note that here the motion starts before the friction takes effect. To reduce the impulse of an impact force, we will have to extend the time of action of force.
The ______________________ is a force of very high magnitude acting for a short period of time. | |||
| Right Option : C | |||
| View Explanation | |||
Under high impact force , materials break rather than deform because __________________.
| |||
| Right Option : C | |||
| View Explanation | |||
The time in which a force of 4 N produces a change in momentum of 0.8 kg m/sec in an object is: | |||
| Right Option : A | |||
| View Explanation | |||
Students / Parents Reviews [10]
Being a parent, I saw my daughter improvement in her studies by seeing a good result in all day to day compititive exam TMO, NSO, IEO etc and as well as studies. I have got a fruitful result from my daughter.
Prisha Gupta
8thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
Shreya Shrivastava
8thIt has a great methodology. Students here can get analysis to their test quickly.We can learn easily through PPTs and the testing methods are good. We know that where we have to practice
Barkha Arora
10thAbhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
Manish Kumar
10thMy experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
Hiya Gupta
8thOne of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
Aman Kumar Shrivastava
10thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
Archit Segal
7thMy experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
Shivam Rana
7thMy experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
Ayan Ghosh
8thIt was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
