Which sign are you not likely to see mounted beside the road?
1 answer:
Answer:
b. Slow-moving vehicle sign.
Explanation:
When driving there are many signs you must be aware of, one of these signs is the slow moving vehicle sign, which is a reflective triangle with its edges cut (shown below). This sign is used to warn other people that the vehicle is travelling in a slower speed than normal traffic (usually at 25 miles per hour at most). However, this sign hangs on the backside of the vehicle so the vehicles behind it can see it and reduce their speed.
Therefore, since this sign hangs on the back of the vehicle,<u> it is not likely that you see it mounted beside the road. </u>
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The inclined plane is studied by mechanics and, to calculate it, we use Newton's Second Law.
Is a block of mass “m” supported by an inclined ramp at an angle? with respect to the horizontal plane. Despise the friction.
Forces acting on the body are: image 1
P: Force weight = P = m.g
Where: g = 9,8 m / s2
m = body mass given in kg.
FN: Normal reaction force to the plane.
When we neglect friction we notice that the body moves downwards. image 2
