Download App

Work, Power And Energy — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceWork, Power And Energy1 Mark
MCQ
From the following statements find the one that is $\text{NOT}$ correct :
  • A
    A flying bird has both potential and kinetic energy
  • ✓
    A ball rolling on the ground has kinetic energy but no mechanical energy
  • C
    A stretched rubber band has potential energy.
  • D
    Chemical energy can be converted into electrical energy
✓

Answer

Correct option: B.
A ball rolling on the ground has kinetic energy but no mechanical energy
The energy of an object by virtue of its motion is known as potential energy.
The energy possessed by a body due to its change in position or shape is called potential energy. For example, A stretched rubber band.
The sum of kinetic energy and potential energy of an object is its total mechanical energy.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q. [1 M]" from Work, Power And Energy→Work, Power And Energy — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

The energy of a wave depends on:
→
The organelles that are present in a eukaryotes but not in a prokaryotes is/ are:
→
The botanical name of Dhaincha is:
→
Jaundice is a disease of:
→
Which of the following is a food-fodder mixed farming system?
→
Before playing the orchestra in a musical concert, a sitarist tries to adjust the tension and pluck the string suitably. By doing so, he is adjusting:
→
Which one of the following is the fastest growing carp?
→
Two particles are placed at some distance. If the mass of each of the two particles is doubled, keeping the distance between them unchanged, the value of gravitational force between them will be:
→
Which one of the following factors does not lead to soil formation in nature?
→
A body rolling down a hill has:
→