Advertisements
Advertisements
प्रश्न
Give one example where a force changes the direction of a moving body.
Advertisements
उत्तर
If we blow air from our mouth towards the smoke rising up from a burning incense stick (agarbatti), then the direction of motion of the smoke changes. In this case, the force exerted by the blowing air changes the direction of the moving smoke.
APPEARS IN
संबंधित प्रश्न
What is the usual name of the forces which cannot produce motion in a body but only change its shape ?
Fill in the following blank with suitable word :
When a stationary car starts suddenly, the passengers are jerked …………………..
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 changes the shape (and size) of a body.
What do you understand by the terms “balanced forces” and “unbalanced forces” ? Explain with examples.
Why are road accidents at high speeds very much worse than road accidents at low speeds ?
What is the unit of force ?
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 :
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 :
