Advertisements
Advertisements
प्रश्न
Name the force which wears away two surfaces as they move over one another.
Advertisements
उत्तर
Force of friction
APPEARS IN
संबंधित प्रश्न
State whether the following statement is true or false :
A falling stone also attracts the earth.
During a free fall, will heavier objects accelerate more than lighter ones ?
What do you understand by the term 'acceleration due to gravity of earth' ?
The acceleration produced in a body by a force of given magnitude depends on
A force causes an acceleration of 10 m s-2 in a body of mass 500 g. What acceleration will be caused by the same force in a body of mass 5 kg?
A body falls freely under gravity from rest and reaches the ground in time t. Write the expression for the height fallen by the body.
A body is projected vertically upward with an initial velocity u . If acceleartion due to gravity is g , the time for which it remains in air , is :
In vacuum, all freely falling objects have the same force. Is it true?
The free fall of an object is possible only in ______.
The mass of planet ‘X’ is four times that of the earth, and its radius is double the radius of the earth. The escape velocity of a body from the earth is 11.2 × 103 m/s. Find the escape velocity of a body from the planet ‘X’.
