What is the relationship between work and power?
Power is a measure of the amount of work that can be done in a given amount of time. Power equals work (J) divided by time (s). The SI unit for power is the watt (W) which equals 1 joule of work per second (J/s).
What is the relationship between work and power quizlet?
Work is how much force it takes to move an object in the same direction as the force. Power is how long it takes you to do the work.
What is the relation between work and power class 9?
Power is a scalar quantity. The SI unit of work is Joule (J). The SI unit of power is Watt (W). Work = Force × Displacement.
What is the relationship between work power and time?
The point is that for the same amount of work, power and time are inversely proportional. The power equation suggests that a more powerful engine can do the same amount of work in less time. A person is also a machine that has a power rating.
What is the relation between work and power class 8?
Work is said to be done when the force is applied on a body and the body covers a certain distance. The capacity of doing work is called energy. Rate of doing work is called power. It can also be defined as the rate of change of energy.
What is work and power?
Work, Energy and Power are fundamental concepts of Physics. Work is said to be done when a force (push or pull) applied to an object causes a displacement of the object. We define the capacity to do the work as energy. Power is the work done per unit of time.
Which statement describes how work and power are similar?
Answer and Explanation: Work and power are similar in that D. You must know time and energy to calculate both.
What is the relation between work force and displacement?
While force and displacement are inversely propotional. The equation showing the relationship is W=Fd.
How work is related to power and energy examples?
Lifting a weight from the ground and putting it on a shelf is a good example of work. The force is equal to the weight of the object, and the distance is equal to the height of the shelf (W= Fxd). Work-Energy Principle –The change in the kinetic energy of an object is equal to the net work done on the object.
What is difference between work energy and power?
Work is referred to as the process of energy that is transferred to an object's motion by applying force. It is generally represented as the product of displacement and force. Power is the amount of energy that is transferred in a unit of time.
Which of the following choices describes the difference between work and power?
Which of the following choices describes the difference between work and power? Work is the product of net force and displacement. Power is the work done in every equal time interval.
Which statement describes how work and power are similar quizlet?
Answer and Explanation: Work and power are similar in that D. You must know time and energy to calculate both.
What is the relationship between the energy and the displacement?
Equations. The magnitude of the force required to change the length of a spring-like object is directly proportional to the spring constant and the displacement of the spring. Elastic potential energy is directly proportional to the square of the change in length and the spring constant.
What is the similarity between work power and energy?
What is the relationship between work, energy and power? Work can be defined as transfer of energy. In physics we say that work is done on an object when you transfer energy to that object. If one object transfers (gives) energy to a second object, then the first object does work on the second object.
How do the unit of work and power compare?
The unit for power is a watt, which is a joule per second. The unit for work is a joule. The unit for power is a watt, which is a joule per second. A force of 75 N at an angle of 15° to the direction of motion moves a chair 3 m.
Which statement best describes how work and power are similar?
Answer and Explanation: Work and power are similar in that D. You must know time and energy to calculate both.
What are the similarities between work and energy?
The energy transferred by force to move any object is known as work or work done. Therefore, work and energy have a direct relationship. The difference in the kinetic energy of an object is called work done by the object. Work and energy are common terms in Physics and can be considered two sides of a coin.
Is work and energy Same?
There is a significant difference between work and energy. Work is the transferring of an amount of energy with the help of a force covering a particular distance through a direction. Energy is also referred to as the force which works at a certain distance. These both can be termed as scalar units.
What are the similarities and differences between work and power?
The main relationship or difference between the two is time. Work is the amount of energy necessary to move an object from one point to another. Imagine moving a table or seat from your living room to your dining room. On the other hand, power is the rate at which the energy is spent.
What is the difference between work and power?
Work refers to the amount of energy required to displace an object from one place to another. Power of the body refers to the energy consumed by the object to displace from one position to another.
How do the units of work and power compare?
The unit for power is a watt, which is a joule per second. The unit for work is a joule. The unit for power is a watt, which is a joule per second. A force of 75 N at an angle of 15° to the direction of motion moves a chair 3 m.
What is work power and energy?
Work, Energy and Power are fundamental concepts of Physics. Work is said to be done when a force (push or pull) applied to an object causes a displacement of the object. We define the capacity to do the work as energy. Power is the work done per unit of time.
How is work and power similar and different?
Work is the amount of energy necessary to move an object from one point to another. Imagine moving a table or seat from your living room to your dining room. On the other hand, power is the rate at which the energy is spent.
What is the difference between work and energy?
Work is the ability to supply force and a change in distance to an object. Energy is the ability to supply or create work.