A 65 kg bobsled is pushed along a horizontal surface by two athletes. After the bobsled is pushed a distance of 6.5 m starting from rest, its speed is 7.0 m/s. Find the magnitude of the net force on the bobsled.

245 N

Explanation:

Force is given by mass × acceleration. The mass is given and we need to determine the acceleration.

The bobsled starts from rest; its initial velocity is 0.0 m/s. After a distance of 6.5 m, its speed is 7.0 m/s

We use the equation of motion:

v is the final velocity, is the initial velocity, a is the acceleration and s is the distance.

The net force is

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