मराठी

What does a force do in the following case?You twist a piece of rubber.

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प्रश्न

What does a force do in the following case?
You twist a piece of rubber.

एका वाक्यात उत्तर
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उत्तर

Force produces stretching in the rubber.

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पाठ 3: Laws of Motion - Exercise 3 [पृष्ठ १२८]

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फ्रँक Physics [English] Class 9 ICSE
पाठ 3 Laws of Motion
Exercise 3 | Q 6.2 | पृष्ठ १२८

संबंधित प्रश्‍न

Answer the following:

You can shield a charge from electrical forces by putting it inside a hollow conductor. Can you shield a body from the gravitational influence of nearby matter by putting it inside a hollow sphere or by some other means?


Which of the Kepler’s laws of planetary motion led Newton to establish the inverse-square rule for gravitational force between two bodies ?


A body is suspended from a spring balance kept in a satellite. The reading of the balance is W1 when the satellite goes in an orbit of radius R and is W2 when it goes in an orbit of radius 2 −R.


Two small bodies of masses 10 kg and 20 kg are kept a distance 1.0 m apart and released. Assuming that only mutual gravitational forces are acting, find the speeds of the particles when the separation decreases to 0.5 m.


Derive an expression for the gravitational field due to a uniform rod of length L and mass M at a point on its perpendicular bisector at a distance d from the centre.


Is the law of gravitation applicable in case of the sun and the moon?


Solve the following problem.

Find the gravitational force between the Sun and the Earth.
Given Mass of the Sun = 1.99 × 1030 kg
Mass of the Earth = 5.98 × 1024 kg
The average distance between the Earth and the Sun = 1.5 × 1011 m.


We can shield a charge from electric fields by putting it inside a hollow conductor. Can we shield a body from the gravitational influence of nearby matter by putting it inside a hollow sphere or by some other means?


Answer the following questions in reference to the figure below:

  1. Which relation is shown in the figure?
  2. What will happen if the mass of one of the objects is doubled?

Newton formulated the Universal Law of Gravitation by combining the ideas of which two scientists with his own Laws of Motion?


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