4. Mechanical Systems
Kinematics — Quiz
Test your understanding of kinematics with 5 practice questions.
Practice Questions
Question 1
Which of the following scenarios represents motion in two dimensions?
Question 2
A boat travels across a river. The river flows at $3 \text{ m/s}$ east, and the boat can travel at $4 \text{ m/s}$ relative to the water, directed north. What is the magnitude of the boat's resultant velocity relative to the shore?
Question 3
An object's velocity changes from $10 \text{ m/s}$ east to $10 \text{ m/s}$ north in $2 \text{ s}$. What is the magnitude of its average acceleration?
Question 4
A car travels around a circular track at a constant speed. Which of the following statements is true about its acceleration?
Question 5
A projectile is launched horizontally from a height. Ignoring air resistance, what is the effect of gravity on its horizontal velocity?