What force will a car hit a tree If the car has a mass of 3000kg and is accelerating at a rate of 2m/s2?

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What force will a car hit a tree If the car has a mass of 3000kg and is accelerating at a rate of 2m/s2?

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Answer 1 · 2014-10-12T06:14:15

According to Newton's second law of motion, the acceleration of a body is directly proportional to the force acting on the body and inversely proportional to its mass. The formula for this law is $a$ = $"F"/m$ , from which we get the formula $"F"$ = $ma$ . When mass is in kg and acceleration is in $"m/s/s"$ or $"m/s"^2$ , the unit of force is $"kgm/s"^2$ , which is read as kiligram-meter per second squared. This unit is replaced with an N in honor of Isaac Newton. Your problem can be solved as follows:

Known/Unknown:
$m$ = $"3000kg"$
$a$ = $"2m/s"^2$

Equation:
$"F"$ = $ma$

Solution:
$"F"$ = $ma$ = $"3000kg"$ x $"2m/s"^2$ = $"6000kgm/s"^2$ = $"6000N"$

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What force will a car hit a tree If the car has a mass of 3000kg and is accelerating at a rate of 2m/s2?

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