What is the coefficient of friction-frictional force

Assignment Help Physics
Reference no: EM13653068

1. A man pulls a 300 N object across a horizontal surface using a100 N force applied at a 35° angle. What is the normal force? If the object is pulled at constant speed, what is the coefficientof friction?

2. A 5 N block slides down a20° incline at constant speed. What is the frictional force?

Reference no: EM13653068

Questions Cloud

Box initially at rest on ground-is lifted straight upin air : A box, initially at rest on the ground, is lifted straight upin the air by a rope, moving straight up at constant speed. When it's gotten pretty high off the ground, the rope is released,and the box falls back to the ground. Sketch a graph of the ..
Block initially at rest on a horizontalsurface : A 145 g block hits a 115 g block initially at rest on a horizontalsurface. After impact they stick together and slide 9.01 m beforecoming to rest. The acceleration of gravity is 9.8 m/s^2.
Pathsaround which the magnetic circulation was evaluated : The quantity B.ds = UoI in Ampere's law is called magneticcirculation. Active figure 30.10 and Figure 30.13 show pathsaround which the magnetic circulation was evaluated. Each ofthese paths encloses an area. What is the magnetic fluxthrough each area..
What are the normal and the parallel forces : A 10 N object rests on a 10° incline. What is the normalforce? What is the parallel force? A 10 kg object rests on a10° incline. What are the normal and the parallel forces?
What is the coefficient of friction-frictional force : A man pulls a 300 N object across a horizontal surface using a100 N force applied at a 35° angle. What is the normal force?If the object is pulled at constant speed, what is the coefficientof friction?
Find the speed of the satellite in its orbit : A satellite of mass 50.0kg is orbiting the earth at aheight of 1000km (as measured above the surface of the earth). The mass of the earth is 5.98x1024kg and the earth's radiusis 6.38x106m.
What is the tangent speed of the ball : A 0.700 kg ball is on the end of a rope that is 1.30m in length.The ball and rope are attached to a pole and the entire apparatus,including the pole, rotates about the pole’s symmetry axis.The rope makes an angle of 70.0 degrees with respect to theve..
Three additional forces keep the beam in equilibrium : The drawing shows a uniform horizontal beam attached to avertical wall by a frictionless hinge and supported from below atan angle θ = 38o by a brace that isattached to a pin. The beam has a weight of 338 N.
Find the magnetic fieldfrom a household circuit carrying : Using Ampere's Law, find the magnetic fieldfrom a household circuit carrying 10A when you are 2m fromit. What about being 20m away from a high powerline carrying 200A at voltages up to 500,000V. What is the field strength and is this dangerous?

Reviews

Write a Review

Physics Questions & Answers

  How fast is the airplane moving

A 0.58 kg toy airplane is suspended from the ceiling by a 1.6 m long cord and rotates in a horizontal circle. If the cord makes an angle of 35 degrees with the vertical.

  Find the radius of the tyre

The magnitude FN of the normal force that each side of the tread channel exerts on the stone is 1.8 N. Suppose that only static friction supplies the centripetal force, & find the radius r of the tyre.

  When two charges are separated by a distance d their

when two charges are separated by a distance d their electric potential energy is equal to u. what would be their

  Estimate the angular acceleration of the blades

If three 0.8 m fan blades are connected to a motor and accelerated uniformly from rest to 54 rpm in 7 minutes. Determine the angular acceleration of the blades.

  What is the wavelength of the emitted sound

The sound source of a destroyer's sonar system operates at afrequency of 22.0 kHZ. The speed of sound in water is 1482 m/s. What is the wavelength of the emitted sound.

  Find the potential difference across the capacitor plates

The electric potential energy stored in the capacitor of a defibrillator is 68 J, and the capacitance is 120 µF. What is the potential difference across the capacitor plates

  Find the net work done on the box

A woman slowly lifts a box weighing 48.0 N from the floor to a shelf 1.50 m above, Find the net work done on the box

  Illustrate what is the acceleration of the object

The coefficients of static and kinetic friction between a 67 kg box and a horizontal surface are 0.56 and 0.32, respectively. Illustrate what is the acceleration of the object if a 335 N horizontal force is applied to the box?

  Estimate the pressure at the center of the sun

To a first approximation, the Sun consists of a gas of equal numbers of protons and electrons. The temperature at the center of the Sun is about 10^7 K, Estimate the pressure at the center of the Sun

  What is the initial angular velocity of the wheels

A bicycle with wheels 48 cm in radius travels down the street with an initial speed of 7.00 m/s. What is the initial angular velocity of the wheels

  Determine the net flux through a spherical surface

Charges q and Q are placed on the x axis at x = 0 and x = 2.0m, respectively. If q= -40 pC and Q =+30 pC, determine the net flux through a spherical surface (radius = 1.0 m) centered on the origin.

  What should be the magnitude of the resulting constant

When a high speed passenger train traveling at 113 km/h rounds a bend, the engineer is shocked to see that a locomotive has improperly entered onto the track from a siding and is a distance D = 642m ahead.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd