Answer:
Work(W) transfers energy to or from an object or converts energy from one type to another by means of a force acting on the object. The mechanical energy of an object enables it to do work. For example, if you lift a box 3 meters into the air, the work you perform on the box is transformed into the gravitational potential energy of the position of the box. If you push a cart across the floor, the work you perform on the cart is transferred into kinetic energy due to the motion of the cart.
Explanation:
The concepts involved in this question are:
- Work: the work is defined as the energy that an object is able to transfer to another object, or the energy that is converted from one type to another.
- Gravitational potential energy: it is the energy possessed by an object due to its height, it is given by
[tex]GPE=mgh[/tex]
where
m is the mass of the object
g is the acceleration due to gravity
h is the height of the object relative to the ground
- KInetic energy: it is the energy possessed by an object due to its motion, it is given by
[tex]KE=\frac{1}{2}mv^2[/tex]
where v is the speed of the object.
Therefore, work is done when:
- Whenever some energy is converted from GPE into KE or the other way around
- Whenever an object is pushed/lifted, so that we transfer part of our energy into the KE or the GPE of the object
Answer:
Work(W) transfers energy to or from an object or converts energy from one type to another by means of a force acting on the object. The mechanical energy of an object enables it to do work. For example, if you lift a box 3 meters into the air, the work you perform on the box is transformed into the gravitational potential energy of the position of the box. If you push a cart across the floor, the work you perform on the cart is transferred into kinetic energy due to the motion of the cart.
Explanation:
The concepts involved in this question are:
- Work: the work is defined as the energy that an object is able to transfer to another object, or the energy that is converted from one type to another.
- Gravitational potential energy: it is the energy possessed by an object due to its height, it is given by
where
m is the mass of the object
g is the acceleration due to gravity
h is the height of the object relative to the ground
- KInetic energy: it is the energy possessed by an object due to its motion, it is given by
where v is the speed of the object.
Therefore, work is done when:
- Whenever some energy is converted from GPE into KE or the other way around
- Whenever an object is pushed/lifted, so that we transfer part of our energy into the KE or the GPE of the object
Explanation:
