Quiz on lesson one unit 2
Understanding Potential and Kinetic Energy Quiz
Welcome to the quiz on potential and kinetic energy! This quiz will test your knowledge on key concepts related to energy, motion, and work.
Prepare to cover essential topics including:
- Definition of potential energy
- Units of measurement for energy
- Relationship between height and energy
- Sources of energy
Potential energy equals…….
Weight*speed
Mass*height
Weight * height
No correct answer
The measuring unit of energy is …..
Newton
Joule
Kilogram
Potential energy of an object is…….proportional to its weight and height from the ground
Inversely
Equal
Directly
�……=potential energy +kinetic energy
Speed
Motion
Mechanical energy
Answer no 1 and 2
A bar of chocolate has chemical energy
True
False
Measuring units of weight and speed respectively are Newton and m/sec
True
False
As an object is launched upwards……
Its speed decrease
Its kinetic energy increase gradually
Its speed increase
Its potential energy decrease gradually
�…. Is a source of sound energy
Wind generator
Oven
Radio cassette
Electric lamp
Work = ………* displacement
Weight
Mass
Kinetic energy
Force
Energy produced from solar cells is electric energy
True
False
If the speed of a moved object is doubled, its kinetic energy increases…….
Double
Half
No correct answer
4 times
At the mid point between the maximum height and the ground of a falling objects its potential energy is less than its kinetic energy at the same point
True
False
An object of mass 2 Kg is moving at a speed of 4 m/ sec, has a kinetic energy of …….
64 J
16 J
32 J
128 J
What’s the energy stored in stretched spring
Chemical
Potential
Mechanical
Light
If a ball thrown vertically to reach 20m height and its weight is 5 Newton, so its potential energy at the ground is zero
True
False
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