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प्रश्न
Which of the following effect cannot be produced by an unbalanced force acting on a body?
पर्याय
change in speed of the body
change in shape of the body
change in direction of motion of body
change in state of rest of the body
उत्तर
change in shape of the body
Unbalanced forces tend to change the state of motion of a body.
APPEARS IN
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.
State the various effects of force.
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 ?
There are two types of forces X and Y. The forces belonging to type X can produce motion in a stationary object but cannot change the shape of the object. On the other hand, forces belonging to type Y cannot produce motion in a stationary object but can change the object. What is the general name of the forces as (a) X, and (b) Y?
What is the unit of force ?
Give one example where a force stops a moving body .
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.
