Advertisements
Advertisements
प्रश्न
State two important characteristics of mass.
उत्तर
Characteristics of mass:
- It is independent of the position and surroundings of a body.
- It is a scalar quantity.
- It remains constant at all places, provided the velocity of the body is not too high.
APPEARS IN
संबंधित प्रश्न
A boy pushes a wall with a force of 10 N towards east. What force is exerted by the wall on the boy?
In the Figure a block of weight 15 N is hanging from a rigid support by a string. What force is exerted by (a) a block on the string and (b) a string on the block? Name and show them in the diagram.
The weight of a body on Earth is 98 N, where acceleration due to gravity is 9.8 m s-2. What will be its (a) mass and (b) weight on the Moon, where acceleration due to gravity is 1.6 m s-2?
A man weigh 800 N at the equator. How does the weight of man change at the following place?
At poles
Is force a scalar or a vector quantity?
Can every force produced motion in every type of body?
What is the relationship between force and acceleration?
A cricket ball of mass 500 g moving at a speed of 30 ms 1 is brought to rest by a player in 0.03 s. Find the average force applied by the player.
