A constant force acting on body mass 5 kg changes its speed from 2 m/s to 7 m/s , the direction of motion remains unchanged, find FORCE.
answer is 2.5, but help me solve it, thanks
I FIGURED IT OUT SORRY FOR PROBLEM,
Solution: speed changes from 2 to 7 , so 7-2 = 5/time = 5/10 = 0.5 X 5 = 2.5 Answers
1.5N
To solve this problem, you can use Newton's second law of motion, which states that force equals mass multiplied by acceleration (F = m * a).
First, we need to find the acceleration of the object. The change in speed can be calculated by subtracting the initial speed from the final speed: Δv = v_f - v_i = 7 m/s - 2 m/s = 5 m/s.
Since the direction of motion remains unchanged, we can assume the acceleration is in the same direction as the force applied. Therefore, the acceleration (a) is Δv divided by the time it took for the speed to change.
Now, we need to determine the time it took for the speed to change. Unfortunately, that information is not provided in the question. Without the time, we cannot solve for the force using this method.
If you have the information about time, you can proceed with the calculations. Once you know the time (t) it took for the speed to change, you can substitute it into the formula for acceleration:
a = Δv / t
Next, multiply the mass (m) of 5 kg by the acceleration (a) to find the force (F):
F = m * a
Substituting the known values, you will get the force value. Without the time information, it is impossible to provide a numerical answer.