Advertisements
Advertisements
प्रश्न
What is the relationship between force and acceleration ?
उत्तर
The acceleration produced in a body is directly proportional to the force acting on it.
APPEARS IN
संबंधित प्रश्न
Name the unbalanced force which slows down a moving bicycle when we stop pedalling it.
State whether the following statement is true or false :
Unbalanced forces acting on a body change its shape.
Fill in the following blank with suitable word :
When a stationary car starts suddenly, the passengers are jerked …………………..
State the various effects of force.
Why are road accidents at high speeds very much worse than road accidents at low speeds ?
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?
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.
Give one example where a force stops a moving body .
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 :
