box of mass 2 kg is placed on a rough surface that is inclined at an angle of 30 to the horizontal. Calculate the amount of static friction that keeps the box still on the surface?

Q: I need help with this Hw Problem.

A: Draw the schematic diagram of the block as shown in the figure.

Q: For the next three items: A 200 kg plank is projecting a distance L = 5.0 m from a wall which is…

A:

Q: A 595-g squirrel with a surface area of 885 cm² falls from a 6.0-m tree to the ground. Estimate its…

A: We know that the formula of the terminal velocity is given as  vt= 2mgρCA ---------- eq1  Where m is…

Q: iBer leans out agains hegligible the rigure below, a feet-ground contact point. If he is on the…

A: Let m be the mass of the climber, for the equilibrium condition the net torque and net force will be…

Q: A 0.50 kg skateboard is at rest on a rough, level floor on which two lines have been drawn 1.0 m…

A: The initial velocity is vi=0 m/s The mass of the skateboard is m=0.50 kg Initial displacement is…

Q:

A:

Q: A Metre stick is suspended from its centre of gravity which is at its midpoint.A force of 3 N acts…

A: Given: The length of the stick is 1 m. The position of the force 3 N is 90 cm. The position of the…

Q: If the coefficient of static friction between your sneakers and the ground is 0.800, what is the…

A: Given: The coefficient of the static friction is 0.8.

Q: A 2.0 kg box is placed on a wooden board with a static coefficient of friction= 0.2 and a kinetic…

A:

Q: A horizontal rod of length 429 cm is held aloft by friction against a brick wall on one end and on…

A: Basic Details The torque and the force that are acting on the body is zero at the position of…

Q: While training for a climb, a climber leans out against a verticle wall ( that has negligible…

A: A triangle is formed by the climber - wall and ground that is a right angled triangle.

Q: A minimum horizontal force of 20 N is required to hold a 1 kg mass against a vertical wall. What is…

A:

Q: A block with a mass of 0.350kg is placed on a rough planar surface that is inclined 30° above the…

A: The mass of the block, m=0.350 kg The angle of inclination, θ=30° The coefficient of static…

Q: In the figure, a 87 kg sphere is supported on a frictionless plane inclined at angle 0 = 48° from…

A:

Q: Two uniform, 75.0 g marbles 2.00 cm in diameter are stacked as shown in Fig. in a container that is…

A: Given data: The mass of the marbles is m=75.0 g. The diameter is d=2.00 cm. The width of the…

Q: A cubical box is filled with sand and weighs 890 N. We wish to “roll" the box by pushing…

A: Given : W = 890 N

Q: A block of wood is resting on a level surface. If the coefficient of friction between the block and…

A: As the block rests on a horizontal surface, it can stay at rest since there are no forces acting to…

Q: A 55 kg box is sitting on a rubber conveyor belt. The friction angle is reported to be 38o, what is…

A:

Q: The coefficient of static friction µs between the 83-lb body and the 14° wedge is 0.37. Determine…

A:

Q: A box with a mass of 0.5 slugs lies on an inclined plane making an angle of 30o with the horizontal.…

A: To be the box has a constant speed on the incline, the applied force must be equal to the vector sum…

Q: A 4kg box is pulled to the right by a force of 20N. The friction exerted by the surface on the box…

A:

Q: A mass of 500 kg sits on a level surface where the coefficient of static friction is 0.5. What is…

A: Given: Then mass of the object is 500 kg. The coefficient of the static friction is 0.5. The angle…

Q: (a) A 4.53 kg salami is supported by a cord that runs to a spring scale, which is supported by…

A:

Q: A 20 kg ladder leans against a vertical wall with an angle of 20°. Determine the static friction at…

A: Given Ladder mass, m=20 kg Angle, θ=20° Standard Quantities g=9.8 m/s2

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!