1. Mechanics

Newton's Laws — Quiz

Test your understanding of newton's laws with 5 practice questions.

Practice Questions

Question 1

A 3 kg block is subjected to a net horizontal force of 12 N. What is its acceleration?

Question 2

A 10 kg block slides down a frictionless incline of angle 30° with horizontal. Assuming $g=10\,\mathrm{m/s^2}$, what is its acceleration?

Question 3

In Newton’s third law, which of the following pairs are action–reaction forces?

Question 4

Two masses of 7 kg and 2 kg hang over a frictionless pulley. What is the magnitude of their acceleration?

Question 5

A 15 kg box rests on a horizontal surface with coefficient of static friction $\mu_s=0.4$. What is the maximum static friction force that can act on the box? (Use $g=9.8\,\mathrm{m/s^2}$)