
7.kl Töö, energia, kineetiline energia, potentsiaalne energia
Quiz
•
Physics
•
7th Grade
•
Practice Problem
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Medium
Inna Baranova
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kuidas nimetada liikumisenergiat?
Potentsiaalne energia
Kineetiline energia
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kas mootoratta kineetiline energia võib olla suurem samal teel sõitva auto kineetilisest energiast?
Ei
Ei, sest auto mass on suurem kui mootorattal
Jah, sest mootorratas võib sõita kiiremini kui auto.
Jah, sest auto on suurem kui mootorratas
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mis energia muundumine peab toimuma jalgratturis, et ta saaks hakata liikuma?
Kineetiline energia muundub elektrienergiaks.
Keemiline energia muundub kineetiliseks energiaks.
Keemiline energia muundub soojusenergiaks.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mis toimub kuuli kineetilise energiaga pildil?
Kineetiline energia kandub ühelt kehalt teisele.
Kineetiline energiaga ei toimu midagi.
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Millised väited (2) potentsiaalse energia kohta on õiged?
Potentsiaalne energia on seda suurem, mida suurem on keha mass.
Potentsiaalne energia on seda suurem, mida väiksem on kehale mõjuv raskusjõud.
Potentsiaalne energia on seda väiksem, mida suurem on keha kõrgus maapinnast.
Potentsiaalne energia on seda väiksem, mida lähemal asub keha maapinnale.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mehaanilist tööd tehakse siis, kui..
Kui keha liigub mingi jõu mõjul
Kui rakendada kehale jõudu
Kui kehal on mass
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ep=m×g×h
Mida tähistab g valemis?
gramm
mass
raskusjõu tegur
gravitatsioonijõud
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