MEDIUM
7th ICSE
IMPORTANT
Earn 100

State two factors on which the kinetic energy of a moving body depends.

Important Questions on Energy

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?
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 3 - Energy>TEST YOURSELF>Q 13
A cyclist doubles his speed. How will his kinetic energy change: increase, decrease or remain same?
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 3 - Energy>TEST YOURSELF>Q 14
Name the form of energy which a wound up watch spring possesses.
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 3 - Energy>TEST YOURSELF>Q 15
Can a body possess energy even when it is not in motion? Explain your answer with an example.