MEDIUM
7th ICSE
IMPORTANT
Earn 100

What are the two kinds of mechanical energy?

Important Questions on Energy

MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 3 - Energy>TEST YOURSELF>Q 5
What is potential energy? State its unit.
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 3 - Energy>TEST YOURSELF>Q 6
Give one example of a body that has potential energy in each of the following, (i) due to its position and ii) due to its state.
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 3 - Energy>TEST YOURSELF>Q 7
State two factors on which the kinetic energy of a moving body depends.
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 3 - Energy>TEST YOURSELF>Q 8
Two bodies A and B of masses 10 kg and 20 kg respectively are at the same height above the ground. Which of the two has the greater potential energy ?
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 3 - Energy>TEST YOURSELF>Q 9
A bucket full of water is on the first floor of your house and another identical bucket with same quantity of water is kept on the second floor. Which of the two has greater potential energy ?
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 3 - Energy>TEST YOURSELF>Q 10
Define the term kinetic energy. Give one example of a body which possesses kinetic energy.
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 3 - Energy>TEST YOURSELF>Q 11
State two factors on which the potential energy of a body at a certain height above the ground depends.
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 3 - Energy>TEST YOURSELF>Q 12
Two toy-cars A and B of masses 500 g and 200 g respectively are moving with the same speed. Which of the two has the greater kinetic energy?