(B) The formula for the force of gravitation is $F = G \frac{m_1 m_2}{r^2}$.Given:$m_1 = 10 \; kg$$m_2 = 20 \; kg$$r = 10 \; m$$G = 6.67 \times 10^{-1

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(B) The formula for the force of gravitation is $F = G \frac{m_1 m_2}{r^2}$.Given:$m_1 = 10 \; kg$$m_2 = 20 \; kg$$r = 10 \; m$$G = 6.67 \times 10^{-11} \; Nm^2 kg^{-2}$Substituting the values into the formula:$F = \frac{6.67 \times 10^{-11} \times 10 \times 20}{(10)^2} \; N$$F = \frac{6.67 \times 10^{-11} \times 200}{100} \; N$$F = 6.67 \times 10^{-11} \times 2 \; N$$F = 13.34 \times 10^{-11} \; N$

Class 9 Science GRAVITATION Mix Example - GRAVITATION

Easy

Calculate the force of gravitation between two objects of masses $10 \; kg$ and $20 \; kg$ at a distance of $10 \; m$ from each other. $\left[G = 6.67 \times 10^{-11} \; Nm^2 kg^{-2}\right]$

A
$6.67 \times 10^{-10} \; N$
B
$13.34 \times 10^{-11} \; N$
C
$1.334 \times 10^{-11} \; N$
D
$26.68 \times 10^{-10} \; N$

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Mix Example - GRAVITATION

$A$ ball is thrown vertically upwards with a velocity $u$. Calculate the velocity with which it falls to the earth again.

Medium

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Distinguish between mass and weight of an object. How does the weight of an object change when moving from the equator to the poles? When can the weight of an object be zero?

Medium

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Write True or False for the following statement:
The value of $G$ is high if the radius of the body is more and less if radius is less.

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$A$ bomb is released from an aircraft. Its trajectory is:

Medium

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Choose the correct alternative:
$(a)$ Acceleration due to gravity increases/decreases with increasing altitude.
$(b)$ Acceleration due to gravity increases/decreases with increasing depth.
$(c)$ Acceleration due to gravity is independent of the mass of the earth/mass of the body.

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Calculate the force of gravitation between two objects of masses $10 \; kg$ and $20 \; kg$ at a distance of $10 \; m$ from each other. $\left[G = 6.67 \times 10^{-11} \; Nm^2 kg^{-2}\right]$

Similar Questions

$A$ ball is thrown vertically upwards with a velocity $u$. Calculate the velocity with which it falls to the earth again.

Distinguish between mass and weight of an object. How does the weight of an object change when moving from the equator to the poles? When can the weight of an object be zero?

Write True or False for the following statement:The value of $G$ is high if the radius of the body is more and less if radius is less.

$A$ bomb is released from an aircraft. Its trajectory is:

Choose the correct alternative:$(a)$ Acceleration due to gravity increases/decreases with increasing altitude.$(b)$ Acceleration due to gravity increases/decreases with increasing depth.$(c)$ Acceleration due to gravity is independent of the mass of the earth/mass of the body.

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Write True or False for the following statement:
The value of $G$ is high if the radius of the body is more and less if radius is less.

Choose the correct alternative:
$(a)$ Acceleration due to gravity increases/decreases with increasing altitude.
$(b)$ Acceleration due to gravity increases/decreases with increasing depth.
$(c)$ Acceleration due to gravity is independent of the mass of the earth/mass of the body.