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प्रश्न
What type of forces – balanced or unbalanced – act on a rubber ball when we press it between our hands ? What effect is produced in the ball ?
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उत्तर
The balanced forces change the shape of the rubber ball when we squeeze it.
When we press a rubber ball between our two hands, the shape of the ball alters from spherical to oblong. This is because two equal and opposite forces (balanced force) are applied by our hands.
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संबंधित प्रश्न
An object experiences a net zero external unbalanced force. Is it possible for the object to be travelling with a non-zero velocity? If yes, state the conditions that must be placed on the magnitude and direction of the velocity. If no, provide a reason.
Which of the two, balanced forces or unbalanced forces, can change the shape of an object ? Give an example to illustrate your answer.
Explain why, it is dangerous to jump out of a moving bus.
State the various effects of force.
Give one example where a force changes the shape (and size) of a body.
Why are road accidents at high speeds very much worse than road accidents at low speeds ?
What is the unit of force ?
What is the relationship between force and acceleration ?
The SI unit of force is ______.
Why does it happen?
If a stationary bus suddenly speeds up, passengers are thrown in the backward direction.
