4. Physical Principles
Forces — Quiz
Test your understanding of forces with 5 practice questions.
Practice Questions
Question 1
A block is placed on an inclined plane. Which component of the gravitational force acts perpendicular to the surface of the inclined plane?
Question 2
A car accelerates from rest. Which of Newton's laws primarily explains the relationship between the net force applied to the car, its mass, and the resulting acceleration?
Question 3
A person is pushing a heavy box across a rough floor at a constant velocity. If the applied force is $100 \text{ N}$, what is the magnitude of the kinetic frictional force acting on the box?
Question 4
In a free-body diagram, how is the direction of the normal force typically represented for an object resting on a horizontal surface?
Question 5
A satellite orbits the Earth at a constant speed. Is the satellite in equilibrium? Why or why not?