A boy was playing with a spongy ball, compressing and releasing it. Wh – InterviewSolution

InterviewSolution

1.	A boy was playing with a spongy ball, compressing and releasing it. What will be the nature (positive, negative or zero) of work done by the boy on the ball and the ball on the boy respectively while compressing?
Answer» A boy was playing with a spongy ball, compressing and releasing it. What will be the nature (positive, negative or zero) of work done by the boy on the ball and the ball on the boy respectively while compressing?

Discussion

No Comment Found

Related InterviewSolutions

How. Does a electric moto work
A force of 15 N is applied on a body over a surface area of 25 m2. Calculate the pressure applied on the surface.0.6
Fill in the blanks: (a) The hotness of an object is determined by its __ __. (b) Temperature of boiling water cannot be measured by a __ __ thermometer. (c) Temperature is measured in degree ___ _. (d) No medium is required for transfer of heat by the process of ___ _. (e) A cold steel spoon is dipped in a cup of hot milk. It transfers heat to its other end by the process of __ _ _. (f) Clothes of ___ _ colours absorb heat better than clothes of light colours.
To which side does the reflecting surface of a convex mirror curve–inwards or outwards?
A straight line passing through the geometric centre of the spherical mirror and the focus is called the ____________ of the mirror.
Four students recorded the readings of the current by observing the position of the pointer on the ammeter scale given below:If there is no zero error, the correct reading of the current is :(1) 2.3 A(2) 5 A(3) 2.0 A(4) 2.05 A
State the changes in form of energy while producing hydroelectricity
What is the similarity in cyclone, tornado thunderstorm?
Question 2 (c) Mark T if the statement is true and F if it is false: We can obtain a real, enlarged and inverted image by a concave mirror.
An aeroplane flies 400 m north and 300 m east and then 1200 m upwards then net displacement is