Answer:
Torque, 
Explanation:
It is given that,
Length of the wrench, l = 0.5 m
Force acting on the wrench, F = 80 N
The force is acting upward at an angle of 60.0° with respect to a line from the bolt through the end of the wrench. We need to find the torque is applied to the nut. We know that torque acting on an object is equal to the cross product of force and distance. It is given by :
So, the torque is applied to the nut is 34.6 N.m. Hence, this is the required solution.
Answer:
An object at rest remains at rest, or if in motion, remains in motion at a constant velocity unless acted on by a net external force.
Explanation:
Meaning that if an object is just sitting somewhere unless something else causes it to move it's not going anywhere.
The uniform current density in the wire is 5.43 x 10²⁷ A/m².
<h3>Current density in the wire</h3>
The uniform current density in the wire is calculated as follows;
J = total current / total area
The given parameters:
- Conduction of the wire = 8.49 x 10²⁸ e/m²
- time, t = 2.5 x 10⁻¹⁴ s
Learn more about current density here: brainly.com/question/15266434
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Answer:
D. Theories can be modified over time, while laws cannot be modified over time.
Explanation:
a scientific theory is an in-depth explanation of the observed phenomenon. A law is a statement about an observed phenomenon or a unifying concept, according to Kennesaw State University
A theory is an explanation for what has been shown many times. A scientific law is a relationship in nature that has been proved many times and there are no exceptions
Answer:
A. 4,440 N
Explanation:
A Force applied on an object with mass 'm' can change its velocity in a unit time. This change is called acceleration.
If a force 'F' is applied on a body of mass 'm', it produces an acceleration 'a' in the body.
Force is give as :
F = ma
In our case,
m = 1200 kg a = 3.7 m/s²
F = 1200 x 3.7
F = 4440 kgm/s²
F = 4440 N
