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प्रश्न
When a rubber balloon held between the hands is pressed, its shape changes. This happens because :
पर्याय
balanced forces act on the balloon
unbalanced forces act on the balloon
frictional forces act on the balloon
gravitational forces act o the balloon
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उत्तर
balanced forces act on the balloon.
Balanced forces are responsible for bringing about a change in the shape of an object.
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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.
State the various effects of force.
Give one example where a force changes the shape (and size) of a body.
What happens to the passengers travelling in a bus when the bus takes a sharp turn ? Give reasons for your answer.
What is the unit of force ?
When a toothpaste tube is squeezed, its shape changes. The force responsible for this is an example of :
When we talk of a force acting on a body, it usually means :
If we release a magnet held in our hand, it falls to the ground. The force which makes the magnet fall down is an example of :
Why does it happen?
If a stationary bus suddenly speeds up, passengers are thrown in the backward direction.
