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3 years ago

What is the mass of an object that experiences a gravitational force of 510 N near Earth's surface?

Physics

2 answers:

sineoko [7]3 years ago

8 0

Answer:The mass of an object is 52 kg.

Explanation:

Gravitational force on the object ,F=510 N

Acceleration due to gravity = g = $9.8 m/s^2$

Mass of the object = m

Force = mass × acceleration

$510 N=m\times 9.8 m/s^2$

$m=52.04 kg\approx 52 kg$

The mass of an object is 52 kg.

Ksju [112]3 years ago

3 0

Answer

52.0 kg

The force is due to gravity is given by:

Force = Mass × gravity

Let the acceleration due to gravity(g) on the surface of the earth to be 9.8 m/s²

510 N = m × 9.8

9.8m = 510

m = 510/9.8

= 52.04 Kg

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Answer is explained in the explanation section below.

Explanation:

Solution:

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We know that the Electric field inside the thin hollow shell is zero, if there is no charge inside it.

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As we know from above, that:

$\frac{Q1}{E_{0} . 4 \pi. r^{2} }$ = (σ1 x $r1^{2}$ ) /( $E_{0}$ x $r^{2}$ )

Then, Similarly,

$\frac{Q2}{E_{0} . 4 \pi. r^{2} }$ = (σ2 x $r2^{2}$ ) /( $E_{0}$ x $r^{2}$ )

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d) Under what conditions, E = 0, for r > r2?

For r > r2, E =0 if

σ1 x $r1^{2}$ = - σ2 x $r2^{2}$

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