A Box is placed on a 40° slope with a coefficient of friction of 0.30. The box starts approximately at 6.0m off the ground. It slides onto a horizontal part with a coefficient of 0.45. How far does it slide along this part?

Q: A crate rests on the flatbed of a truck that is initially traveling at 15 m/s on a level road. The…

A:

Q: A penguin slides at a constant velocity of 1.4m/s down an inclined sandy scarface. The incline…

A: Given information: The constant velocity of the penguin (u) = 1.4 m/s The inclination of the plane…

Q: The figure shows a 2000 kg cable car descending a high hill. A counterweight of mass 1800 kg on the…

A:

Q: A ski that is placed on snow will stick to the snow. However, when the ski is moved along the snow,…

A: The equation of motion is given by,

Q: stly, physicist like to express friction forces in terms of the efficient of friction µ, so that = µ…

A: The problem can be solved using free body diagram and equation of motion.The solution for the given…

Q: A book slides across a level, carpeted floor with an initial speed of 3.85 m/s and comes to rest…

A: Initial velocity, v = 3.85 m/s Distance, d = 3.75 m Coefficient of kinetic friction, µ = ?

Q: You are driving a car at a constant speed of 14.0 m/s along a straight level road. As you approach…

A: The initial velocity of the car is u = 14 m/s. The final velocity of the car is v = 0 m/s. The…

Q: stacked pair of books with masses m1= 2.0 kg (bottom book) and m2 = 1.5 kg (top book) are tossed…

A: The normal force exerted by the table on the first bolook N1= its weight = mg= 2×10=20 N . Similarly…

Q: A book slides across a level, carpeted floor with an initial speed of 4.85 m/s and comes to rest…

A: The weight of the book acts vertically downward and the normal force acts vertically upward. The…

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.