If the angle of inclination of a plane increases, what happens to the static fri
Practice Questions
Q1
If the angle of inclination of a plane increases, what happens to the static friction force acting on an object resting on the plane?
Increases
Decreases
Remains constant
Becomes zero
Questions & Step-by-Step Solutions
If the angle of inclination of a plane increases, what happens to the static friction force acting on an object resting on the plane?
Correct Answer: Static friction force decreases until it reaches its maximum value.
Step 1: Understand that static friction is the force that keeps an object at rest on a surface.
Step 2: Know that when a plane is inclined, gravity pulls the object down the slope.
Step 3: Realize that as the angle of the plane increases, the force pulling the object down the slope (parallel to the plane) also increases.
Step 4: Recognize that static friction must counteract this force to keep the object from sliding.
Step 5: Understand that static friction has a maximum value, which depends on the normal force and the coefficient of static friction.
Step 6: Conclude that as the angle increases, the static friction force can decrease until it reaches its maximum value, which is determined by the surface properties.
Static Friction – The force that resists the initiation of sliding motion between two surfaces in contact.
Inclined Plane – A flat surface tilted at an angle to the horizontal, affecting the forces acting on an object resting on it.
Gravitational Force Components – The breakdown of gravitational force into components parallel and perpendicular to the inclined surface.