He’s riding his skateboard down a ramp. Assume that his acceleration is 0.8 m/s2. How much force does it take for him to accelerate at this rate? Zeke has a mass of 50 kg.

a
40 N
b
62.5 N
c
50 N
d
40 kg

1 answer

To find the force needed for Zeke to accelerate at 0.8 m/s², you can use Newton's second law of motion:

\[ F = m \cdot a \]

where:

  • \( F \) is the force,
  • \( m \) is the mass,
  • \( a \) is the acceleration.

Here, Zeke's mass \( m = 50 \) kg and the acceleration \( a = 0.8 \) m/s².

Now, plugging in the values:

\[ F = 50 , \text{kg} \cdot 0.8 , \text{m/s}^2 = 40 , \text{N} \]

So, the required force is 40 N.

The correct answer is a) 40 N.