Contact and non contact forces are big factors to consider
in designing of different modes of transportation because this factors are
resistances for the mode of transportation. These contact and non- contact
forces should be minimized in order for the energy requirement to be also
minimum. But not the extent of risking the safety, for example a non contact
force is the wieght, the should be optimum, safety of the design should not be
compromised just to reduce weight, just like by removing essential parts,
support just to remove weight is not good.
Answer:
Power = 24.41Watts
Explanation:
Find the diagram attached
Power output = Force * distance/Time
Given
Force = 120lb
Distance = 9inches
Time = 5sec
Since
1lb = 4.4482216153 N
120lb = 120 * 4.4482216153
120lb = 533.787N
9in to meters
9in = 0.0254*9
9in = 0.2286N
Power = 533.787*0.2286/5
Power = 24.41Watts
Basically, when someone is resting in an accelerated vehicle without restraint from a seatbelt, the force of stopping the vehicle will be when inertia occurs, and that force of the vehicle coming to a stop will affect the passenger (without a seatbelt/restraint from another force or object) greatly by throwing them.
For example;
If I were to be riding in a vehicle (without a seatbelt) that's accelerating at 40 m/s^2 and it suddenly gets slammed on the breaks, I will be thrown forward from inside the vehicle.
I hope this helps!
The number of molecules and the temperature must be kept constant.
Boyle's law is a gas law that states that a gas's pushing force (when it is of a certain mass and maintained at a constant temperature) is in direct opposition to the volume that it occupies. As a result, as long as the temperature and volume of the gas are maintained constant, the pressing factor and volume of the gas are incongruously comparable to one another.
V ∝ 1/P
V = K/P
PV = K
Therefore, the temperature will be the constant variable in Boyle's law. Even though it is the only constant factor, volume, temperature, and pressing factor are all in direct opposition to one another.
Learn more about Boyles law here:
brainly.com/question/26040104
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Answer:
what's your question I can't understand
