What is the acceleration of the block down the incline if the angle of the incline is 26 ◦ ? Answer in units of m/

Question

What is the acceleration of the block down the incline if the angle of the incline is 26 ◦ ? Answer in units of m/

Answer 1

Assuming there is no friction (since none is mentioned)

F = ma = mg sin(θ), so a = F/m = g sin(θ)

plug in g = 9.8 m/s² and θ = 26°

a = 9.8 sin(26) ≈ 4.3 m/s²