Q3 of 13 Page 128

Answer the following

State whether the energy possessed in the following is kinetic or potential;


Compressed spring, stretched bow, moving arrow, water stored in a dam, a stone at the top of a building, bird resting on the branch of a tree.

Compressed spring: potential energy


Stretched bow: potential energy


Moving arrow: kinetic energy


Water stored in a dam: potential energy


A stone at the top of a building: kinetic energy


A bird resting on the branch of a tree: potential energy.


More from this chapter

All 13 →
1

Which object with the mass indicated has a higher potential energy?

 2

Fill in the blanks with suitable words

1. Unit of power is _________ .


2. Unit of energy is _________ .


3. If a candle is burnt, the chemical energy is transformed into __________ .


4. The water stored in an overhead tank possesses _________ energy.


5. In a cinema theatre electrical energy is transformed into ________and__________ energy.

 3

Answer the following

Distinguish between potential energy and kinetic energy of a body.

 3

Answer the following

A bus and a car are moving at the same speed. Which of the two has a greater kinetic energy?