GCSE Physics Tutorial - Converting Between Newton Meters and Joules
Newton meters (Nm) and joules (J) are units used to measure different physical quantities, but they can be related to each other through the concept of work. Both units are commonly used in physics to quantify force and energy.
1 Newton Meter (Nm): A newton meter (Nm) is a unit used to measure torque or moment. Torque is a rotational force applied to an object about an axis. In the context of work, a newton meter represents the amount of work done when a force of one newton is applied to an object, causing it to move a distance of one meter along the direction of the force.
1 Joule (J): A joule (J) is a unit used to measure energy and work. It represents the amount of work done when a force of one newton is applied to an object, and the object is displaced by one meter in the direction of the force.
Conversion Between Newton Meters and Joules: Since both newton meters and joules represent the same amount of work done by a force of one newton over a distance of one meter, they are equivalent units. Therefore, to convert between newton meters (Nm) and joules (J), you can use the following conversion factor:
1 Nm = 1 J
This means that one newton meter is equal to one joule. So, if you have a value in newton meters, you can directly convert it to joules by keeping the numerical value unchanged.
Example: Let's say you have a value of 50 Nm and you want to convert it to joules:
50 Nm = 50 J
Similarly, if you have a value of 100 J and want to convert it to newton meters:
100 J = 100 Nm
Newton meters (Nm) and joules (J) are units used to measure work and energy, and they are equivalent units for the amount of work done by a force of one newton over a distance of one meter. Converting between newton meters and joules is straightforward, as one newton meter is equal to one joule. Understanding this conversion is essential when dealing with work, energy, and different mechanical systems in physics.
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