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jennashowbiz
31.10.2020 •
Physics
The following car has a mass of 400 kg. Calculate the frictional force if the car accelerated at a rate of 2.5 m/s2 when a driving force of 1500N was applied
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Ответ:
500N
Explanation:
Given parameters:
Mass of the car = 400kg
Acceleration of the car = 2.5m/s²
Driving force = 1500N
Unknown:
Frictional force = ?
Solution:
Frictional force is a force that opposes motion.
Force on car from the engine = mass x acceleration
Insert parameters and solve;
Force from the engine = 400 x 2.5 = 1000N
Braking force = 1500N
Now,
Frictional force = 1500N - 1000N = 500N
Ответ:
A different one
Explanation: