Force required in accelerating a 3 kg mass at 5 m/(s^2) and a 4 kg mass at 4 m/(s^2), will be
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Answer
- F₁ = 15 N , F₂ = 16 N
Given and To Find
- Force required in accelerating
- a) 3 kg mass at 5 m/(s^2) and
- b) 4 kg mass at 4 m/(s^2), will be
Solution
A/c , Newton's Second Law ,
We know that , " Force is defined as the product of mass and acceleration "
a )
Mass , m = 3 kg
Acceleration , a = 5 m/s²
⇒ Force , F = ma
⇒ F = 3 × 5
⇒ F = 15 kg-m/s²
⇒ F = 15 Newtons
b )
Mass , m = 4 kg
Acceleration , a = 4 m/s²
⇒ F = 4 × 4
⇒ F = 16 Newtons
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