Advertisements
Advertisements
प्रश्न
It is difficult to open an inkpot with greasy or oily hands. Explain.
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
An archer stretches her bow while taking aim at the target. She then releases the arrow, which begins to move towards the target. Based on this information fill up the gaps in the following statements using the following terms.
To stretch the bow, the archer applies a force that causes a change in its ______.
Write true or false.
A force can change the direction of motion of a moving body.
Fill in the blank.
On squeezing a gum tube, its ............. changes.
Fill in the blank.
On applying brakes on a moving car, its speed .........................
What effect can a force have on a stationary body?
Name the type of force which act in the following case:
A stone falls from a roof
State if the following statement is true or false. Correct the statement if it is false.
Gravitational force is a contact force.
Answer the following in short.
What will happen to an object if two equal forces act on it in opposite directions?
Identify the agent exerting the force, the object on which the force is acting and the effect of the force in the following situation
Squeezing out the juice from an orange.
Answer the following in detail.
Why do all objects have a tendency to fall towards the centre of the earth?
