Questions tagged 'Friction'
11 questions
How much friction force must the brake apply to the rim to bring the disk to a halt in 2.30s ?
How much frictional force must the brake apply to the rim to bring the disk to a complete stop in 2.30 seconds? The disk has a mass of 3.10 kg and a diameter of 31.0 cm, and it is initially spinning a...
How do you do this work and energy problem? physics urgent help!?
A 4.5 kg box slides down a 4.4 m high frictionless hill, starting from rest. It then travels across a 2.4 m wide horizontal surface before hitting a horizontal spring with a spring constant of 500 N/m...
Dec 21, 2024
Two boxes of fruit on a frictionless horizontal surface are connected by a light string as in the figure below, where m1 = 16 kg and m2 = 28?
Two boxes of fruit are placed on a frictionless horizontal surface and connected by a light string, as shown in the figure (link: https://www.webassign.net/sercp9/4-p-069-alt.gif). The masses of the b...
A student slides a 0.75 kg textbook across a table, and it comes to rest after traveling 1.2m.
A student slides a 0.75 kg textbook across a table, and it comes to rest after traveling a distance of 1.2 meters. Given that the coefficient of kinetic friction between the book and the table is 0.34...
A hollow, spherical shell with mass 2.00 kg rolls without slipping down a 38.0o slope.?
A hollow, spherical shell with a mass of 2.00 kg rolls without slipping down a slope inclined at 38.0 degrees. a) Calculate the acceleration of the shell, the frictional force acting on it, and the m...
Nov 27, 2024
Solve numerically for the magnitude of the force Fm in Newtons.
A box with a mass of ( m = 2.5 \, \text{kg} ) rests on top of a table. The coefficient of static friction between the box and the table is ( \mu_s = 0.61 ), while the coefficient of kinetic friction i...
First Year Physics Help…?
Sam, who has a mass of 75 kg, accelerates across a level snow surface using his jet-powered skis. The skis generate a thrust of 197 N, and the coefficient of kinetic friction between the skis and the...
Physics question, help please….?
A block with a mass of 0.5 kg is pressed against a horizontal spring with negligible mass, compressing the spring by a distance of 0.2 m. When the spring is released, the block travels across a horizo...
Nov 05, 2024
multiple choice question plz help!!Identify all forces acting on the object.?
Identify all the forces acting on the object in the following scenario: An ice hockey puck glides across a surface of frictionless ice. Which of the following accurately describes the forces acting on...
What is the minimum angular speed, in rpm, for which the ride is safe?
In an old-fashioned amusement park ride, passengers stand inside a 5.5-meter diameter hollow steel cylinder with their backs against the wall. The cylinder begins to rotate about a vertical axis, and...