What are some examples of increasing friction intentionally?

Related Question in Physics

• WILL GIVE BRAINLIEST When a teacher is moving forward at a speed of 2m/s and drops a ball , how the ball moves relative to the teacher ? A) straight downward B) forward and downward ​
• A projectile is launched is a speed of 10√2m/s and its range covered is 10√3m, the angle for the maximum time of flight will be: A. 30⁰ B. 60⁰ C. 90⁰ D. 120⁰
• A wrench dropped by a worker freely falls from the top of an 80m tall tower. What is the velocity of the wrench at the instant before it hits the ground? 1) What are the known quantities involved? 2) Which equation can be used to find the velocity with the given information? 3) what is the velocity of the wrench at the instant just before it hits the ground? 4) What is the total time for the wrench to hit the ground?
• A stunt woman of mass mmm falls into a net during the filming of an action movie. She experiences a normal force magnitude {F_n}F n ​ F, start subscript, n, end subscript while touching the net. Which of the following statements is correct for the acceleration magnitude {a}aa of the stunt woman? Consider upward as the positive direction.
• A weightless spring of force constant 2.50 N/cm is 15.0 cm long when nothing is attached to it. It is now used to pull horizontally on a 12.5 kg box on a smooth horizontal floor. You observe that the box starts from rest and moves 96.0 cm during the first 1.60 s of its motion. How long is the spring during this motion?
• how large an angular acceleration must a wheel have is it is to acceleration from rest to 460rad/s after 5rev ?​