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प्रश्न
When we talk of a force acting on a body, it usually means :
विकल्प
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
Give reason for the following :
When a hanging carpet is beaten with a stick, the dust particles start coming out of it.
State the various effects of force.
Give one example where a force stops a moving body.
Give one example where a force changes the shape (and size) of a body.
A 1000 kg vehicle moving with a speed of 20 m/s is brought to rest in a distance of 50 metres :
(i) Find the acceleration.
(ii) Calculate the unbalanced force acting on the vehicle.
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?
A boy of mass 50 kg standing on ground exerts a force of 500 N on the ground. The force exerted by the ground on the boy will be :
A fielder pulls his hands backwards after catching the cricket ball. This enables the fielder to :
Why does it happen?
If a stationary bus suddenly speeds up, passengers are thrown in the backward direction.
