The force applied when using a simple machine ??
Answers
The Effort Force is the force applied to a machine. Work input is the work done on a machine. The work input of a machine is equal to the effort force times the distance over which the effort force is exerted.
Final answer:
In physics, force is defined as a push or pull that can change the state of motion or shape of an object. When using a simple machine, the force applied is the input force or effort force. The amount of force required to operate a simple machine depends on its mechanical advantage.
Explanation:
In physics, force is defined as a push or pull that can change the state of motion or shape of an object. When using a simple machine, such as a lever or pulley, the force applied is the input force or effort force.
The amount of force required to operate a simple machine depends on its mechanical advantage. Mechanical advantage is the ratio of the output force to the input force.
For example, if you are using a lever with a mechanical advantage of 3, and you apply an input force of 10 Newtons, the output force will be 3 times greater, which is 30 Newtons.
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1. Jennifer wants to pick up a heavy box. The box weighs 22pounds which is a gravity force down of 100 Newtons. How muchforce does Jennifer need to use to lift up the box?
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Conduction
Electromagnetism
Convection
Answers
Answer:
CONDUCTION
Explanation:
When a driver touches a cars steering wheel on a hot day heat is transferred to the drivers hand by conduction
The heat is transferred to the driver's hand by conduction because his hand touched the steering wheel (i.e physical contact involved), the heat is transferred through the driver's hand as against radiation that doesn't require any physical contact.
I hope this helps.
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Conduction is a heat it transferred to the heat by touching your hand.
Hope it helped you.
-Charlie
3. Mantle is made of _________________ rocks
4. Tectonic plates are located on the _____________ and ___________.
5. Outer core is made of __________________ and ___________________.
6. Inner core is made of ___________________ and ___________________.
Answers
Answer:
I hope that I helped and I am sorry but that is the only answers that I could find right now. Hope you get the answer for the other question
Explanation:
1. The earth is made up of three different layers: the crust, the mantle and the core
2. Oceanic crust and continental crust
3. Silicate rock
5. The outermost part of Earth's structure is known as the lithosphere is mostly composed of liquid iron and nickel
2. oceanic crust and continental crust.
3. silicate rocks rich in magnesium and iron
Answers
Efficiency = (energy that does the job) / (total energy used)
= (45 J) / (120J)
I think you can handle the division.
the minimum amount of horizontal force that the man will need to apply so
that the tree will start moving?
A. 240 N
B. 360 N
C. 480 N
D. 120 N
Answers
Answer:
120 N
Explanation: First we shoud consider the forces acted on a tree
Friction foce - acting opposite to the moving direction
Weight - Directly acting downwards
Reaction - Directly acting on upwards
For minimum required force should be equal to the friction force
F = μ R
F = 0.5×480
= 120N
Increase, decrease, or remain the same
Answers
Density is the RATIO of mass to volume. So, if mass and volume both
increase but their ratio decreases, then the density decreases.
But if mass and volume both increase and their ratio also increases,
then the density increases.
Examples:
-- Start with a pile of some kind of substance.
Mass = 150 grams
Volume = 100 cm³
Density = (mass) / (volume) = (150 gm)/(100cm³) = 1.5 gm/cm³
-- Add 50 grams of mass. Mass = 200 gm.
Add 50 cm³ of volume. Volume = 150cm³.
Density = (mass) / (volume) = (200 gm)/(150 cm³) = 1.33 gm/cm³.
Density decreased.
-- To the original pile, add 100 grams of mass. Mass = 250 gm.
add 50 cm³ of volume. Volume= 150 cm³.
Density = (mass) / (volume) = (250 gm)/(150 cm³) = 1.67 gm/cm³.
Density increased.
-- To the original pile, add 60 grams of mass. Mass = 210 gm.
add 40 cm³ of volume. Volume = 140 cm³.
Density = (mass) / (volume) = (210 gm)/(140 cm³) = 1.5 gm/cm³.
Density no change.
Same as the original pile.