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I push a wall and it pushes back as long as I do - where does this infinite reaction force comes from?
The reaction force is not infinite; it is finite. For example, if you push with a force of 100N, the wall will push back with a force of 100N.If you are thinking that this requires an unlimited amount of energy, then you are confusing the concepts of force and energy. Energy is only required if the force is applied over a certain distance - the energy (or work) required to pull or push an object is equal to the force multiplied by the distance. In the example you give, the wall doesn't budge, so you have a force of 100 N times a distance of zero meters, equals an energy of 0 Joule.
How much force is needed to push a force of 100 newtons back?
To push a force of 100 Newtons back, you would need to exert an equal force of 100 Newtons in the opposite direction. This is in accordance with Newton's Third Law of motion, which states that for every action there is an equal and opposite reaction.
How much work do you do if you push with a force of 100 N on a desk t hat does not move?
If you push with a force of 100 N on a desk that does not move, no work is done because work is defined as the product of force and displacement in the direction of the force. Since the desk does not move, there is no displacement in the direction of the force, and thus no work is done.
If you push a mower a distance of 500m how much work is done?
The amount of work done in pushing a mower for 500m depends on the force applied. Work is calculated as force multiplied by distance. If a force of 100 N is applied to push the mower for 500m, then the work done would be 50,000 J (100 N * 500 m).
How is torque different from a force?
Torque is basically the equivalent of a force, for rotational movement. It always involves a force, but torque also depends on how far you push or pull, from the axis of rotation. A torque has units of force x distance (for example, in SI units, newton x meters). Thus, a force of 100 N at 1 meter from the axis of rotation (100 N-m) has the same effect (the same torque) as a force of 50 N at 2 meter (also 100 N-m).
I push a wall and it pushes back as long as I do - where does this infinite reaction force comes from?
The reaction force is not infinite; it is finite. For example, if you push with a force of 100N, the wall will push back with a force of 100N.If you are thinking that this requires an unlimited amount of energy, then you are confusing the concepts of force and energy. Energy is only required if the force is applied over a certain distance - the energy (or work) required to pull or push an object is equal to the force multiplied by the distance. In the example you give, the wall doesn't budge, so you have a force of 100 N times a distance of zero meters, equals an energy of 0 Joule.
How much force is needed to push a force of 100 newtons back?
To push a force of 100 Newtons back, you would need to exert an equal force of 100 Newtons in the opposite direction. This is in accordance with Newton's Third Law of motion, which states that for every action there is an equal and opposite reaction.
How much work do you do if you push with a force of 100 N on a desk t hat does not move?
If you push with a force of 100 N on a desk that does not move, no work is done because work is defined as the product of force and displacement in the direction of the force. Since the desk does not move, there is no displacement in the direction of the force, and thus no work is done.
If you push a mower a distance of 500m how much work is done?
The amount of work done in pushing a mower for 500m depends on the force applied. Work is calculated as force multiplied by distance. If a force of 100 N is applied to push the mower for 500m, then the work done would be 50,000 J (100 N * 500 m).
How is torque different from a force?
Torque is basically the equivalent of a force, for rotational movement. It always involves a force, but torque also depends on how far you push or pull, from the axis of rotation. A torque has units of force x distance (for example, in SI units, newton x meters). Thus, a force of 100 N at 1 meter from the axis of rotation (100 N-m) has the same effect (the same torque) as a force of 50 N at 2 meter (also 100 N-m).
What is the formula for calculating the force required to push a 3000 pound rack on wheels for 100 feet?
The force required to push a rack on wheels can be calculated using the formula: Force = Mass * Acceleration. In this case, the mass of the rack is 3000 pounds and the distance is 100 feet. To determine the acceleration, additional information such as the time taken or the initial and final velocities would be needed.
How is distance and direction affect work?
Work is the product of force and distance, or w = F x d. Now, theoretically, if you push an object 100 yards to the east, and then turn it around and push it 100 yards back to the staring point, you did NO work, because distance has a vector component. But, if you just push it in one direction only, the work done will be the product of the force applied times the distance moved.
If you push a crate with a force of 100 N and it slides at a constant velocity how much is the friction acting on the crate?
If the crate is moving at a constant velocity, the friction force is equal in magnitude but opposite in direction to the pushing force, so it is also 100 N. This is because the two forces are balanced and there is no net force acting on the crate.
How does pressure vary with area if force is applied?
Pressure is defined as force per area or P = F/A. So, if I push my hand against a wall with the force of 10 newtons, I am dispersing that 10 newtons over the area of my hand. If my hand is say 7in * 4 inches, that would give a total area of 28in^2. The pressure I am exerting on the wall would be P = F/A = 10 Newtons/(28in^2) = .36 N/in^2. If instead of pushing the wall with my hand, I push a nail against the wall, I am now applying the same 10 newtons of force, but my area is a fraction of the size. Since A goes down, pressure will go up. So now, my area may be A = 0.1in^2. P = F/A= 10Newtons/(.1in^2) = 100 N/in^2.
How long do you have to work out to burn 100 calories?
Depends on a lot of things, but mainly your weight, and how hard you push. Me, I'd go through 100 cals in about 10 minutes of casual jogging.
How much force does the boy use Assume there is no friction. A boy performs 100 J of work pushing a chair a distance of 4 m.?
The force applied by the boy can be calculated using the work-energy principle: Force = Work/Distance. In this case, Force = 100 J / 4 m = 25 N. So, the boy uses a force of 25 Newtons to push the chair.
Where are the hidden vin numbers for 1976 F-100 ford trucks?
check under hood on the fire wall. it's there you will have to look hard
