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Yes, work is done if you lift a brick.
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∙ 11y ago
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How much work is done by a force of 500N on a stationary brick wall?
none. work is only done when energy is exchanged
How is work done when you lift a book?
the angle in which you lift the book , also known as the movement
How work done against gravitational force?
Lift any object. Grav. force is acting down, you must apply an upward force to lift the object. Work is force applied through a distance, so work is done if you lift it, but not if you hold it still.
How can energy be converted from one form to another form in simple words?
Whenever work is being done, energy is changing from form to another, so the shortest answer is "by doing work". As an example, If you lift a brick from the ground to a shelf, the work you do - muscle energy - is converted to potential energy in the brick. If you then push the brick off the shelf, it crashes to the ground and that potential energy changes to kinetic energy as it falls, and to sound and brick smashing energy when it hits the floor. Avoid toe breaking energies and don't try this at home.
Why is it easy to push a brick gently but gets hurt when kick it?
Inertia. It takes force to overcome the brick's weight and friction. If applied slowly, the work can be done with deforming your foot. Done quickly, and the fleshy part of your foot will be squashed, before the brick starts to move.
How much work is done by a force of 500N on a stationary brick wall?
none. work is only done when energy is exchanged
How is work done when you lift a book?
the angle in which you lift the book , also known as the movement
What energy of a book on a shelf is equal to the work done to lift the book to the shelf?
The potential energy of the book on the shelf is equal to the work done to lift the book to the shelf. This is because the potential energy of an object at a certain height is equivalent to the work done against gravity to lift it to that height.
How work done against gravitational force?
Lift any object. Grav. force is acting down, you must apply an upward force to lift the object. Work is force applied through a distance, so work is done if you lift it, but not if you hold it still.
How can energy be converted from one form to another form in simple words?
Whenever work is being done, energy is changing from form to another, so the shortest answer is "by doing work". As an example, If you lift a brick from the ground to a shelf, the work you do - muscle energy - is converted to potential energy in the brick. If you then push the brick off the shelf, it crashes to the ground and that potential energy changes to kinetic energy as it falls, and to sound and brick smashing energy when it hits the floor. Avoid toe breaking energies and don't try this at home.
How much work is done when a 23 n brick is lifted to a height of 2.3 m?
Work = force * distance Work = 23N * 2.3 meters = 53 Joules of work is done ==================
Does the work done by the net force acting on a particle depend on the inertial reference frame of the observer.does the change in kinetic energy so dependent if so?
When you lift a brick and throw it, nobody asks which inertial frame of reference you are using. No.
Why is it easy to push a brick gently but gets hurt when kick it?
Inertia. It takes force to overcome the brick's weight and friction. If applied slowly, the work can be done with deforming your foot. Done quickly, and the fleshy part of your foot will be squashed, before the brick starts to move.
How much work is done if you lift a 20-newton weight 10meters?
2
How much work is done to lift a 53kilogram object 7metres?
work done=m*g*h=53*9.81*7=3.63951 kJ where: m is mass (kg) g is acceleration due to gravity h is lift displacement
A hydraulic lift exerts a force of 12000 N to lift a car 2 meters How much work is done on the car?
24000 joules
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