Advertisements
Advertisements
प्रश्न
Answer the following.
Define weight.
Advertisements
उत्तर
The gravitational force acting on an object is called the weight of the object.
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 gap in the following statement using the following terms.
The force applied by the archer to stretch the bow is an example of ______ force.
Write true or false.
The unit of weight is kilogram
Select the correct alternative.
Friction
It is difficult to open an inkpot with greasy or oily hands. Explain.
State if the following statement is true or false. Correct the statement if it is false.
Force applied on an object can increase its mass.
State if the following statement is true or false. Correct the statement if it is false.
Tires of vehicles are provided with grooved designs to decrease friction.
Application of force in an object results in motion from a state of ______.
Two balls of the same size but of different materials, rubber and iron are kept on the smooth floor of a moving train. The brakes are applied suddenly to stop the train. Will the balls start rolling? If so, in which direction? Will they move at the same speed? Give reasons for your answer.
What is momentum? Write its SI unit. Interpret force in terms of momentum. Represent the following graphically
(a) momentum versus velocity when mass is fixed.
(b) momentum versus mass when velocity is constant.
A ball of dough is rolled into a flat chapatti. Name the force exerted to change the shape of the dough.
