Question

Find the force of attraction between two bodies of 20kg and 30kg when they are 100cm apart

Answer 1

F= G×M1×M2/r square

F=

$6.67 \times {10}^{ - 11} \times 30 \times 20 \div 0.01$

$6.67 \times {10}^{ - 11} \times 6 \times {10}^{3}$

$36 \times {10}^{ - 8} newton$