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# Work Power And Machines Worksheet

Work Power And Machines Worksheet. They change the _____ of the force needed, the _____ of a force, or the _____ over which a force. Because the force and distance are in the same direction, your arms have done work on the books.

P = w/t joules/second 1 watt = 1 j/s watts used to measure power of light bulbs and small appliances an electric bill is measured in kw/hrs. How much power do you use to lift the bag of flour? Figure 1 when you lift a stack of books, your arms apply a force upward and the books move upward.

### Fill In The Boxes With The Words Given.

When a force acts on an object and moves that object a certain distance, work is done on the object. You lift a large bag of flour form the floor to a 1m high counter, doing 100j of work in 2s. How much power do you use to lift the bag of flour?

### P = W/T Joules/Second 1 Watt = 1 J/S Watts Used To Measure Power Of Light Bulbs And Small Appliances An Electric Bill Is Measured In Kw/Hrs.

Calculate the work done by a 47 n force pushing a 0.025 kg pencil 0.25 m against a force of 23 n. Machines make work _____ to do. G sandwich across a table 0.75 m wide.

### 1 Kilowatt = 1000 W Horsepower (Hp) = 745.5 Watts Traditionally Associated With Engines.

Selection file type icon file name description size revision time user activities; The terms work, power and energy are often used in our daily conversations but have different meanings in physics. Work and energy section 2 compound machines ã€‰what simple machines make up a pair of scissors?

### Each Lever Arm Has A Wedge That Cuts Into The Paper.

Since both people exert the same force over the same distance (doing the same amount of work), the man generates less power because it takes him longer. Click, download & print them out! Work and simple machines 9 name date class calculating work and power when work is done on an object, energy is transferred to the object.

### Calculate The Work Done By A 47 N Force Pushing A Pencil 0.26 M.

Work (w) is defined by the following equation. Figure 1 when you lift a stack of books, your arms apply a force upward and the books move upward. Work = force x distance.