Answer :
The force required to accelerate a ball with a mass of 140 grams at 25 m/s^2 is calculated using the formula F=ma. The answer is 3.5 newtons.
To calculate the force needed to accelerate the ball, we will use the formula F=ma, where F is the force, m is the mass of the object, and a is the acceleration. Given that the mass m of the ball is 140 grams (which needs to be converted to kilograms to use SI units, so 140 g = 0.140 kg) and the acceleration a is 25 m/s2, we can substitute these values into the formula.
The calculation is as follows:
F = (0.140 kg)(25 m/s2) = 3.5 N.
Therefore, the force required to accelerate the ball at 25 m/s2 is 3.5 newtons.
Final answer:
To calculate the force needed to accelerate an object, use the formula F=ma. In this case, the force needed to accelerate the ball at 25 m/s^2 is 3.5 N.
Explanation:
To calculate the force needed to accelerate an object, you can use the formula F=ma, where F represents the force, m represents the mass of the object, and a represents the acceleration. In this case, the mass of the ball is 140g. First, convert the mass to kilograms by dividing it by 1000, so the mass is 0.14kg. The acceleration is given as 25 m/s^2. Plug these values into the formula: F = 0.14kg * 25 m/s^2 = 3.5 N.
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