A ball has a mass of 140 g. What is the force needed to accelerate the ball at 25 m/s2? (Formula: F=ma) 3.5 N
115 N
165 N
4.5 N

The force needed to accelerate the ball at 25 meters per square second is 3.5 newtons.

Explanation:

From 2nd Newton's Law, the net force experimented by the ball (), measured in newtons, is defined by:

(1)

Where:

- Mass, measured in kilograms.

- Acceleration, measured in meters per square second.

If we know that and , then the net force needed to accelerated the ball is:

The force needed to accelerate the ball at 25 meters per square second is 3.5 newtons.

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