Answer to Question #124297 in Classical Mechanics for ella

Question #124297

A 500g wooden block can slide down an inclined track uniformly when the inclination is 28 ° from the horizontal. What is the magnitude of the friction force?

Expert's answer

F_{net}=0=F_f-mg\sin{28}

F_f=(0.5)(9.8)\sin{28}=2.3\ N

Learn more about our help with Assignments: Physics

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. A fan rotating at 3 rev/s is switched off what is it's angular acceleration in rev/² when it
2. To what temperature must a given mass of nitrogen at 0⁰c be heated so that both its volume and pre
3. To what temperature must a given mass of nitrogen at 0⁰c be heated so that both its volume and pre
4. A trolley with mass m1 of 3.3 kg is connected to a light string with a weight of mass m2 of 2.2 kg.
5. A trolley with mass m1 = 0.8 kg and speed v1 = 4.0 m / s collide with another stationary trolley wit
6. Hi: Outdoor pool motor enclosed in a waterproof wood box, one ventilation vent with fixed louvers
7. How many heartbeats in a typical human lifetime?