What is the definition of work in physics?

Energi dan Usaha untuk Kelas 8

Quiz
•
Others
•
8th Grade
•
Hard
Nur Lailiyah Zafi
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Work is the total mass of an object.
Work is the speed of an object multiplied by time.
Work is the product of force and distance in the direction of the force.
Work is the energy transferred by heat.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is work calculated when a force is applied?
W = F × d × cos(θ)
W = F - d
W = F / d
W = F + d
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of measurement for work?
joule
pascal
newton
watt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the relationship between energy and work.
Energy is the capacity to do work, and work is the transfer of energy.
Work is a form of energy storage.
Work is the same as energy.
Energy cannot be converted into work.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is kinetic energy and how is it calculated?
Kinetic energy is calculated as the product of mass and velocity.
Kinetic energy is the energy of an object at rest.
Kinetic energy is calculated using the formula KE = m * v.
Kinetic energy is calculated using the formula KE = 0.5 * m * v^2.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe potential energy and give an example.
A balloon filled with air.
A car moving at high speed.
A fish swimming in water.
An example of potential energy is a rock at the top of a hill.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the law of conservation of energy relate to work?
Energy can be created or destroyed when work is done.
The law of conservation of energy only applies to mechanical systems.
Work increases the total energy of a system.
The law of conservation of energy ensures that the total energy remains constant when work is done, as energy is transferred rather than created or destroyed.
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