EASY
9th West Bengal Board
IMPORTANT
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A stretched rubber band has potential energy due to change of its:

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Important Questions on Effect of Energy : Work, Power & Energy

EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 5 - Effect of Energy : Work, Power & Energy>EXERCISE>Q 8
Kinetic energy of a body can be increased more by _____.
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 5 - Effect of Energy : Work, Power & Energy>EXERCISE>Q 2.1.

Work is a _____ quantity.

(Choose from: scalar/vector)

EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 5 - Effect of Energy : Work, Power & Energy>EXERCISE>Q 2.1.
A moving bullet possess _____ energy.
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 5 - Effect of Energy : Work, Power & Energy>EXERCISE>Q 2.1.
1 g f cm = _____ erg
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 5 - Effect of Energy : Work, Power & Energy>EXERCISE>Q 2.1.
1 HP=_____ watt
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 5 - Effect of Energy : Work, Power & Energy>EXERCISE>Q 2.2.
In a tug of war, the work done by losing team is positive.
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 5 - Effect of Energy : Work, Power & Energy>EXERCISE>Q 2.2.
Absolute unit of power in SI system is watt.
EASY
9th West Bengal Board
IMPORTANT
PHYSICAL SCIENCE & ENVIRONMENT CLASS 9>Chapter 5 - Effect of Energy : Work, Power & Energy>EXERCISE>Q 2.2.
Centripetal force is a no-work force.