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प्रश्न
When we talk of a force acting on a body, it usually means :
पर्याय
electrical force
balanced force
unbalanced force
nuclear force
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उत्तर
unbalanced force
Unbalanced forces are responsible for producing a change in the state of motion of a body. So when we talk of a force, it usually means unbalanced force.
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संबंधित प्रश्न
State whether the following statement is true or false :
Unbalanced forces acting on a body change its shape.
Which of the two, balanced forces or unbalanced forces, can change the shape of an object ? Give an example to illustrate your answer.
Give one example where a force moves a stationary body.
Give one example where a force changes the shape (and size) of a body.
A car is moving on a level road. If the driver turns off the engine of the car, the car’s speed decreases gradually and ultimately it comes to a stop. A student says that two forces act on the car which bring it to a stop. What could these forces be ? Which of these two forces contributes more to slow down and stop the car ?
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 :
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 :
When a rubber balloon held between the hands is pressed, its shape changes. This happens because :
A fielder pulls his hands backwards after catching the cricket ball. This enables the fielder to :
