12 Questions
What is the formula for work in physics?
Force times distance
Which of the following is a unit of energy?
Joule
What happens to the potential energy of an object as it falls?
It decreases
Which of the following is an example of kinetic energy?
A moving car
Manakah yang merupakan contoh energi kinetik?
Sebuah mobil yang sedang melaju di jalan raya
Apa yang terjadi pada energi potensial suatu benda saat benda tersebut jatuh?
Energi potensial berkurang
Apa rumus untuk menghitung usaha dalam fisika?
$W = F \times d \times cos(\theta)$
Satuan untuk energi adalah...
Joule
Apa yang dimaksud dengan usaha dalam fisika?
Produk dari gaya yang dikerjakan pada suatu benda dan perpindahan benda tersebut
Apa yang dimaksud dengan energi kinetik?
Energi yang dimiliki oleh suatu benda karena geraknya
Apa yang terjadi pada energi potensial suatu benda saat benda tersebut naik ke ketinggian yang lebih tinggi?
Energi potensial bertambah
Apa yang dimaksud dengan energi potensial?
Energi yang disimpan oleh suatu benda
Study Notes
Work and Energy in Physics
- The formula for work in physics is W = F × d, where W is work, F is force, and d is displacement.
- Units of energy include Joule (J), calorie (cal), and kilowatt-hour (kWh).
Kinetic Energy
- Kinetic energy is the energy of motion, and an example of it is the energy of a moving car or a rolling ball.
Potential Energy
- Potential energy is the energy of position or stored energy, and it increases as an object is lifted to a higher height.
- As an object falls, its potential energy decreases.
Work and Energy Concepts
- Work is the transfer of energy from one object to another, and it is a measure of the amount of energy transferred.
- Energy can be transferred from one form to another, such as from potential energy to kinetic energy.
Test your knowledge of the concepts of work and energy in physics with this quiz. Questions include the formula for work, units of energy, changes in potential energy, and examples of kinetic energy.
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