Physics, 02.07.2019 13:10, elianagilbert3p3hh63

Select the object that has the most gravitational force. a sand grain a marble a bowling ball a tennis ball

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answered: bonnerjennifer

A bowling ball has the most gravitational force.

Explanation:

The magnitude of gravitational force depends on the product of two objects and the square of distance between them. Mathematically, it is given by :

$F=G\dfrac{m_1m_2}{r^2}$

So, it is clear from above relation that the force is directly proportional to the mass.

Out of given options, a bowling ball has greatest mass. It will have most gravitational force. So, the correct option is (c) "a bowling ball".

answered: Guest

Hi, your answer is not correct. this is a cumulative

answered: Guest

force is based upon mass and acceleration.the statement is not always true.

it can be explained from newton's second law of motion.

as per newton's second law of motion the rate of change of momentum is directly proportional to the applied force and takes place along the direction of force.

mathematically it can be written as -

$f\alpha \frac{dp}{dt}$

⇒ $f= k \frac{dp}{dt}$

here k is the proportionality constant whose value is 1.

$f=\frac{dp}{dt}$

$f= \frac{d[mv]}{dt}$

$f= m\frac{dv}{dt} +v\frac{dm}{dt}$

$f=ma+v\frac{dm}{dt}$ [a is the acceleration=dv/dt]

hence we see that force not only depends on mass and acceleration but also on velocity and rate of change of mass. force f will depend on mass and acceleration only when mass is constant.

hence the statement that force is based upon mass and acceleration is false.

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Select the object that has the most gravitational force. a sand grain a marble a bowling ball a tenn...