A box is at rest on an inclined surface. The last diagram correctly illustrates all forces, including any component force, therefore the correct option is D.
<h3>Describe friction?</h3>
When two physical objects' surfaces come into contact, a force called friction acts to hinder or resist the relative motion of the items. Any two surfaces of things cannot simply slide over or across one another due to the friction force. It depends on the amount of force used on the object.
Additionally, there should be no net vertical forces acting on the inclined block. Fv=0
Therefore, the appropriate diagram is D.
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A box is at rest on an inclined surface. Which diagram correctly illustrates all forces, including any component forces?
Assume the x-axis is parallel to the surface.
21. light changes its direction when travelling through a new medium because denser mediums have a higher angle of refraction.
It's not right.
1.609 km = 1 mile
(5 km) x (1 mile / 1.609 km) = 3.11 miles
Answer:
5.66 m/s
Explanation:
p=mv
255 = 45v
v = 255/45
v = 5.66 m/s
If you want to verify your answer, just insert your value to the equation.
We can feel it as heat, using the nerve endings in our skins.