Respuesta :
Answer
given,
mass of raindrop = 5.4 × 10⁻⁷ kg
acceleration due to gravity = 9.8 m/s²
a) magnitude of gravitational force on the rain drop
Force on the rain drop = m g
Force on the rain drop = 5.4 × 10⁻⁷ x 9.8
= 5.292 x 10⁻⁶ N
Hence, force on raindrop by earth is equal to 5.292 x 10⁻⁶ N
b) by newtons third law
Force by the earth on the raindrop will be opposite to the force by raindrop on earth.
Force on earth by raindrop = - 5.292 x 10⁻⁶ N
negative sign represent that force is acting in the opposite direction.
The magnitude of the gravitational force exerted on the raindrop by the earth is 5.29 x 10⁻⁶ N.
The the magnitude of the gravitational force exerted on the earth by the raindrop is -5.29 x 10⁻⁶ N.
The given parameters;
- mass of the raindrop, m = 5.4 x 10⁻⁷ kg
- acceleration due to gravity, g = 9.8 m/s²
The magnitude of the gravitational force exerted on the raindrop by the earth is calculated by applying Newton's second law of motion as follows;
F = mg
F = (5.4 x 10⁻⁷)(9.8)
F = 5.29 x 10⁻⁶ N.
The the magnitude of the gravitational force exerted on the earth by the raindrop is calculated as;
[tex]F_2 = -F\\\\F_2 = -5.29\times 10^{-6} \ N[/tex]
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