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प्रश्न
Explain why, it is dangerous to jump out of a moving bus.
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उत्तर
It is dangerous to jump out of a moving bus because the person who jumps is moving with the same speed as that of the bus and would tend to remain in motion (due to inertia) even after falling to the ground; thus, he may get hurt due to the resistance of the stationary ground.
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संबंधित प्रश्न
What is the usual name of the forces which cannot produce motion in a body but only change its shape ?
State whether the following statement is true or false :
Unbalanced forces acting on a body change its shape.
Fill in the following blanks with suitable word :
If there were no unbalanced force of……………….. and no…………………. resistance, a moving bicycle would go on moving for ever.
Give one example where a force changes the direction of a moving body.
Give one example where a force changes the shape (and size) of a body.
What is the relationship between force and acceleration ?
When a toothpaste tube is squeezed, its shape changes. The force responsible for this is an example of :
Which of the following effect cannot be produced by an unbalanced force acting on a body?
The SI unit of force is ______.
Why does it happen?
If a stationary bus suddenly speeds up, passengers are thrown in the backward direction.
