Calculate the magnitude of force needed to speed up a car with a rate of 5m/s², if the mass of the car is 1000 kg.
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Answer:
Step 1: Acceleration calculation
As per Newton's second law
∑F=ma
∴F=ma
a= acceleration of car
Since acceleration is constant, therefore applying equation of motion
v=u+at
v=30 m/s ; u=0
∴ 30=0+a(10)
a=3 m/s
2
Step 2: Force calculation
F=ma =1500×3
F=4500 N
Explanation:
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Explanation:
(F)= Mass× Acceleration
=>1000×5
=>5000n.
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