Podcast
Questions and Answers
What is the SI unit of work?
What is the SI unit of work?
- Newton (N)
- Joule (J) (correct)
- Watt (W)
- Second (s)
Which type of energy is associated with moving objects?
Which type of energy is associated with moving objects?
- Potential energy
- Mechanical energy (correct)
- Electrical energy
- Chemical energy
What is the mathematical expression for kinetic energy?
What is the mathematical expression for kinetic energy?
- $\frac{m}{s} \times v^2$
- $\frac{m}{2} \times v^2$ (correct)
- $m \times v^2$
- $\frac{m}{2s} \times v^2$
What is the law of conservation of energy?
What is the law of conservation of energy?
What is the rate of doing work known as?
What is the rate of doing work known as?
What is the unit of power in the SI unit system?
What is the unit of power in the SI unit system?
What is the mathematical expression for work?
What is the mathematical expression for work?
Why is work considered a scalar quantity?
Why is work considered a scalar quantity?
In which unit is work measured?
In which unit is work measured?
Under what condition does the force cause work?
Under what condition does the force cause work?
What type of work occurs when a body falls under gravity?
What type of work occurs when a body falls under gravity?
What is energy defined as?
What is energy defined as?
What is the mathematical expression for work?
What is the mathematical expression for work?
Why is work considered a scalar quantity?
Why is work considered a scalar quantity?
What is the SI unit of work?
What is the SI unit of work?
In which kind of work does the displacement occur in the direction of the force?
In which kind of work does the displacement occur in the direction of the force?
What kind of work occurs if the displacement is opposite to the direction of the force?
What kind of work occurs if the displacement is opposite to the direction of the force?
When does zero work occur?
When does zero work occur?
