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The force is found by multiplying the mass of an object by the velocity at which it travels?
That is how you calculate thrust. FV=T Force, Velocity, Thrust.
In which direction should you apply a force if you want to do the greatest amount of work?
It depends on the kind of work you want done and whether you're using any simple machines. In case you aren't using any simple machines and you are applying force directly, it is best to apply force in the direction of motion desired.
What is a system of pulleys designed to multiply the effort force called?
moveable pulley
How much does a block and tackle pulley system multiply the effort force?
4 (:
How does a car jack multiply a force?
A car jack is able to multiply force by multiplying the torque. A car jack combines two types of simple machines, a screw and the wheel and axle. For the car jack the wheel handle is very similar to lever handle. When you add force to the lever hand on the car jack that force is transferred to the turning rod. According to simple lever physics the longer the lever arm the more the force is multiplied. So if a lever arm 1ft long, with 1lb of force applied exerts 1ft /lbs of torque, what happens when the lever arm is 2ft? Just by doubling the length of the lever arm to 2ft we now double the force to 2ft/lbs of torque. That torque in the rod is translated to the screws which pull the jack together to lift up the car. The screw also is a simple machine(an inclined planed curved on itself) which multiples the force(torque) from the lever. The more screw grooves per unit of length the more the force is multiplied. So comparing a jack that has 20 screw grooves per every 1ft to one that has 40 screw grovers per every 1ft, the one with 40 grooves would be multiplying the force twice as much. So if the 20 screw groove is multiplying the torque 100times the 40 grooves would be multiplying it 200times. The beauty of a screw as a force multiplier comes in understanding that it is an incline plane curved on itself. Understanding how an incline plane multiples force helps to better understand the screw. Imagine trying to pick up a 100lb box and put it on a 5ft ledge. It would take over 100lbs to over lift it straight up onto the ledge. Now imagine we add a plank that we can slide the weight onto. This plank is 5ft long, we place it on the ground and on the tip of the ledge. The plank will have a slope of 1(rise)/ 1(run), which is one. That is because it rises one foot up for every foot of distance it spans. If we wanted to make our task easier and multiply our force even more we could make the plank even longer, making it 50 feet would give us a slope of 5(rise)/(50)run or 1/10 or 0.1 . This gives us a very long slope and we can exert way less force(though we need to exert it for a longer time) to move the 100lbs. For example if a 10 year old can only exert 25lbs of force, that 25lbs of force may now be enough to move the 100lbs given a 5ft plank providing a slope of 1 rise/1 run. We provide the 50ft plank to assist in the job, the 10 year old is still only exerting 25lbs of force but the longer plank (inclined plane) acts as a force multiplier and may multiply his 25lbs of force by 10 allow him to move the 100 lbs given a long slope. That is the essence of how a car jacks uses a screw and level to multiply force. -WNL
In what simple machine is neither force nor distance is multipled?
A simple pulley can be used just to alter the direction of the force without multiplying it (although compound pulleys can also be used to multiply force).
Are simple machines unable to multiply the applied effort force?
no
Is it true or false that some machines don't multiply the force that is applied to them?
True. Some machines, such as levers or pulleys, don't multiply the force applied to them but instead change the direction or distribution of the force, making it easier to exert the force in a specific way.
How do machine multiply force?
Machines can multiply force through mechanisms such as levers, gears, or pulleys. These devices allow for the transfer and amplification of force to increase the output. By manipulating the arrangement and size of these components, machines can effectively multiply the input force to perform tasks that would be challenging with human effort alone.
Do all machines multiply the force applied to them?
Not all machines multiply the force applied to them; it depends on the type of machine and its design. Simple machines, like levers and pulleys, can amplify force, allowing a smaller input force to lift a heavier load. However, some machines may not provide a mechanical advantage, and others may convert force in different ways, such as increasing speed or changing direction. Thus, the effect of a machine on force varies based on its specific function and construction.
What are simple machines that multiply speed?
Some examples of simple machines that can help multiply speed include gears, pulleys, and levers. These machines work by trading off force for speed, allowing input forces to produce greater output speeds.
A measure of the amount a machine multiplies a force is its advantage?
The advantage of a machine is the ratio of the output force to the input force. It determines how much a machine amplifies or magnifies the input force applied to it. Machines with a higher advantage are more efficient at multiplying force.
How do machines increase output force?
Machines can increase output force through mechanical advantage, which involves using levers, pulleys, gears, or hydraulic systems to multiply the input force applied to the machine. By redistributing and amplifying the force, machines enable users to perform tasks that would be difficult or impossible to do on their own.
What are the names of the machines that can increase or multiply work?
No machine can increase or multiply work. The work that comes out of a machineis theoretically the same as what goes in, but in the real world, what comes outis always a little less than what went in.Work is (force) multiplied by (distance). A machine can multiply or increase theforce or the distance, but whichever one it multiplies, it divides the other oneby the same amount. So the product of (force) times (distance) doesn't change.
How do simple machines multiply force and speed?
Simple machines multiply force and speed by allowing a smaller input force to produce a larger output force or by increasing the distance over which the force is applied. For instance, a lever can amplify the input force by positioning the fulcrum closer to the load, enabling a smaller effort to lift a heavier object. Similarly, a wheel and axle can increase speed; when the wheel turns, it covers a greater distance than the axle, allowing for faster movement. Overall, simple machines change the direction and magnitude of forces, enhancing efficiency in performing work.
When you multiply meters and Newtons do you get joules?
No, multiplying meters and Newtons does not result in joules. Joules are a unit of energy, while meters measure distance and Newtons measure force. To calculate work, which is in joules, you would need to multiply force (in Newtons) by distance (in meters) in the direction of the force.
How simple machine multiply force?
Simple machines multiply force by either increasing the distance over which the force is applied (such as a lever), changing the direction of the force (such as a pulley), or increasing the surface area over which the force is distributed (such as an inclined plane). This allows for the same amount of work to be done with less effort.
