G01. Raskusjõud kahe laeva vahel

Ülesanne. Leia gravitatsioonijõu suurus kahe teineteisest 1 km kaugusel asuva laeva vahel, kui kummagi mass on 150 000 tonni.

Lahendus.

Paneme kirja andmed:

m subscript 1 equals m subscript 2 equals 150000 space t equals 150000000 space k g equals 1 comma 5 times 10 to the power of 8 space k g r equals 1 space k m equals 1000 space m minus negative negative negative negative negative negative negative negative F minus ?

Kasutame raskusjõu valemit:

F equals G fraction numerator m subscript 1 m subscript 2 over denominator r squared end fraction equals 6 comma 67 times 10 to the power of negative 11 end exponent fraction numerator N times m squared over denominator k g squared end fraction times fraction numerator left parenthesis 1 comma 5 times 10 to the power of 8 space k g right parenthesis squared over denominator left parenthesis 1000 space m right parenthesis squared end fraction almost equal to 1 comma 5 space N

VASTUS: Raskusjõud laevade vahel on u. 1,5 N.