A mass balance is used to measure the mass in an object.
Answer:
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Explanation:
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Can you translate the question?
Answer:
Assume that the ball undergoes motion along a straight line. ... F = m A Force = (mass) x (acceleration) The question tells you the mass and the acceleration. All YOU have to do is take the numbers and pluggum into Newton's 2nd law. F = m A = (0.75 kg) (25 m/s²) = (0.75 x 25) kg-m/s² = 18.75 Newtons .
Explanation:
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Answer:
![2.33\ m/s^2](https://tex.z-dn.net/?f=2.33%5C%20m%2Fs%5E2)
Explanation:
<u>Net Force
</u>
According to the second Newton's law, the net force exerted by an external agent on an object of mass m is:
Fn = m.a
Where a is the acceleration of the object. The net force is the sum of the individual vector forces applied to the object.
The m=1500 Kg car has two horizontal forces applied: the forward force of 5000 N that causes the movement and the air resistance force of 1250 N that opposes motion.
The net force is Fn = 5000 N - 1500 N = 3500 N
To find the acceleration, we solve the equation for a:
![\displaystyle a=\frac{Fn}{m}](https://tex.z-dn.net/?f=%5Cdisplaystyle%20a%3D%5Cfrac%7BFn%7D%7Bm%7D)
![\displaystyle a=\frac{3500}{1500}](https://tex.z-dn.net/?f=%5Cdisplaystyle%20a%3D%5Cfrac%7B3500%7D%7B1500%7D)
![\boxed{a = 2.33\ m/s^2}](https://tex.z-dn.net/?f=%5Cboxed%7Ba%20%3D%202.33%5C%20m%2Fs%5E2%7D)
The car's acceleration is ![a = 2.33\ m/s^2](https://tex.z-dn.net/?f=a%20%3D%202.33%5C%20m%2Fs%5E2)