Advertisements
Advertisements
प्रश्न
It is difficult to open an inkpot with greasy or oily hands. Explain.
Advertisements
उत्तर
When the hands are oily, then the oil acts as a lubricant and reduces the friction.
As the friction force is less, it is difficult to get a grip of the inkpot and it becomes difficult to open it.
APPEARS IN
संबंधित प्रश्न
Give two examples of situations in which applied force causes a change in the shape of an object.
Fill in the blank.
On applying brakes on a moving car, its speed .........................
State the effect produced by a force in the following case:
The sling of a rubber catapult is stretched
State the effect produced by a force in the following case:
A cyclist applies brakes
In which case will there be more friction between the truck and the road: when the truck is empty or when it is loaded?
It is difficult to walk on a wet road. Explain.
Tick the most appropriate answer.
Which of the following is a contact force?
Identify the agent exerting the force, the object on which the force is acting and the effect of the force in the following situation
A child jumping to a height.
State if the following statement is true or false. Correct the statement if it is false.
Friction wears down the parts of machi
Application of force in an object results in motion from a state of ______.
