Ishqalanish. Ishqalanish kuchi. Tabiatda va texnikada ishqalanish
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Impuls, jism impulsi
1. 1. Massasi 5 kg bo‘lgan jism 20 m/s tezlik bilan harakatlanmoqda. Uning impulsini toping (kg∙m/s). ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 2. Massasi 150 kg bo‘lgan qayiq 2 m/s tezlik bilan harakatlanmoqda. Uning impulsini toping (kg∙m/s). ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 3. Massasi 300 kg bo‘lgan mototsikl 12 km/h tezlik bilan harakatlanmoqda. Uning impulsini toping (kg∙m/s). ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 4. 90 km/h tezlik bilan harakatlanayotgan avtomobilning impulsi 30000 kg∙m/s ga teng. Uning massasini toping (kg). ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 5. 36 km/h tezlik bilan harakatlanayotgan aravaning impulsi 300 kg∙m/s ga teng. Uning massasini toping (kg). ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 6. 108 km/h tezlik bilan harakatlanayotgan skuterning impulsi 6000 kg∙m/s ga teng. Uning massasini toping (kg). ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 7. Massasi 50 g va impulsi 40 kg∙m/s bo‘lgan yuqori kalibrli o‘qning tezligini toping (m/s). ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 8. Massasi 30 kg va impulsi 600 kg∙m/s bo‘lgan dronning tezligini toping (m/s). ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 9. Massasi 4 t va impulsi 8000 kg∙m/s bo‘lgan yuk avtomobilining tezligini toping (m/s). ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 10. Koptokni futbolchi 60 N kuch bilan tepdi. Bunda kuchning ta’sir vaqti 0,05 s ga teng. Koptok olgan kuch impulsini toping (N∙s). ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 11. Xokkeychi shaybani 30 N kuch bilan urdi. Bunda kuchning ta’sir vaqti 0,04 s ga teng. Shayba olgan kuch impulsini toping (N∙s). ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 12. Avtomobil xavfsizlikka sinaldi. Bunda u beton devorga 20 kN kuch bilan kelib urildi. Agar zarbning davomiyligi 0,09 s bo‘lsa, avtomobil olgan kuch impulsini toping (N∙s). ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 13. Futbolchi koptokni 50 N kuch bilan tepdi. Agar koptok olgan kuch impulsi 2 N∙s bo‘lsa, zarb davomiyligini toping (s). ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 14. Xokkeychi shaybani 40 N kuch bilan tepdi. Agar koptok olgan kuch impulsi 2,4 N∙s bo‘lsa, zarb davomiyligini toping (s). ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ 15. Futbolchi koptokni tepdi. Agar koptok olgan kuch impulsi 3 N∙s va zarb davomiyligi 0,06 s bo‘lsa, zarb kuchini toping (N). ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ Download 1.87 Mb. Do'stlaringiz bilan baham: 
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