a pallet of bricks is to be suspended by attaching a rope to it and connecting the other end to a couple of heavy crates on the roof of a building, as shown in (Figure 1). The rope pulls horizontally on the lower crate, and the coefficient of static friction between the lower crate and the roof is 0.707. What is the weight of the heaviest pallet of bricks that can be supported this way?

Q: A 171 N sled is pulled up a 32 degree slope at a constant speed by a force of 187 N. What is the…

A:

Q: A 172 N sled is pulled up a 31 degree slope at a constant speed by a force of 156 N. What is the…

A: weight of sled =mg = 172 N angle =  31 degrees force = F = 156 N

Q: A 12.4 kg block is pulled by a force of 26.8 N across a horizontal table. The coefficient of static…

A:

Q: A lumberjack is trying to drag a small tree that he cut down. If the static coefficient of friction…

A: SOlution: given that trees weight W = 430 N coef of friction = 0.5

Q: A picture with a mass of 0.30kg is hung from a wall. The single wire that the picture is suspended…

A:

Q: The coefficient of static friction between a block and a horizontal floor is 0.47, while the…

A: Given data The block mass is: m = 4.2 kg The coefficient of static friction is: μs = 0.47 The…

Q: A 7.5 kg backpack is sliding across the floor. The coefficient of friction between the backpack and…

A:

Q: A uniform rope of weight 12 N hangs from a hook. A box of 50 N hangs from the rope. What is the…

A: Given data The weight of the uniform rope is given as Wr = 12 N. The weight of the box is given as…

Q: A worker has to apply a horizontal force of 750 N to overcome the force of static friction between a…

A: Solution: The coefficient of static friction is defined as the maximum force applied to the normal…

Q: You push a box (mass 3 kg) so that its initial speed is 2.2 m/s. It slides across a rough floor…

A: KE=Wfriction12mv2=μkmgdd=v22μkg

Q: A 100kg table sits on a horizontal floor. The coefficient of static friction between the table and…

A: Given :  Mass of table, M =  100 kg  Mass of box, m = 20 kg  Coefficient of static friction, u = 0.4…

Q: A 1,200-N crate is being pushed across a level floor at a constant speed by a force F of 260 N at an…

A:

Q: 30°. Block A slides down the incline at constant speed. What is the mass of block B? Assume the…

A: Now, according to diagrams the component of the weight in the direction of the incline

Q: A piece of copper needs 30 N to start moving when the coefficient of static friction is 0.53. What…

A: Coefficient of static friction is 0.53 Force acting piece of copper is F = 30 N

Q: A 99-N crate rests on a rough horizontal floor.  A person applies a 18-N horizontal force to this…

A: If applied force is less than limiting friction then body remain at rest. And static friction equals…

Q: A 183 N sled is pulled up a 32 degree slope at a constant speed by a force of 159 N. What is the…

A: Draw a free-body diagram of the system.

Q: A desperate hiker has to think fast to help his friend who has fallen below him. Quickly, he ties a…

A:

Q: tow-truck pulls a 1500 kg car using a steel cable that makes a 25° angle with the horizontal, as…

A:

Q: You can hold a book against the wall, preventing it from sliding down, if you press your hand…

A:

Q: A certain orthodontist uses a wire brace to align a patient's crooked tooth as in the figure below.…

A: The force exerted by the wire on the tooth, by resolving the force along y axis,

Q: A 189 N sled is pulled up a 30 degree slope at a constant speed by a force of 176 N. What is the…

A:

Q: A heavy crate is suspended from two ropes as it is lowered from a high shelf to the floor at a…

A: Given data: The tension in one rope is T1=653 N. The angle made by one rope is θ1=26.5°. The angle…

Q: The figure below shows a bird feeder that weighs 167.9 N. The feeder is supported by a vertical…

A: Free body diagram of above condition -    Given value -  Weight of the bird feeder (X) = 167.9 N…

Q: A heavy crate is suspended from two ropes as it is lowered from a high shelf to the floor at a…

A: SOlution: Given that T = 950 N angle1 = 28.2 degrees angle2 = 33.7 degrees

Q: A small child is trying to push a 100 kg box across a rough surface He is applying a force of 100 N…

A:

Q: ng from the middle of a clothesline. The rope is attached at equal heights 24 units apart and the…

A: We know that here we have given that the rock hanging on the middle of the clothesline and the entre…

Q: A block weighing 38 kg is on an incline with a slope of 17o. If the block is at the verge of sliding…

A: Note:- Since you have asked multiple question, we will solve the first question for you. If you want…

Q: The heaviest invertebrate is the giant squid, which is estimated to have a weight of about 0.20 tons…

A: Mass of the heaviest invertebrate in a giant squid is M=0.2 tons and it is spread over a length l=36…

Q: A steel beam is suspended from two ropes as it is lifted to the top of a building at a constant…

A: T1 = 722 N θ1 = 25.2oθ2 = 29.5oLet the mass of beam = m

Q: A box of mass 5.9 kg is sliding down a ramp, as shown in the picture. The coefficient of kinetic…

A:

Q: A 1,480-N crate is being pushed across a level floor at a constant speed by a force F of 350 N at an…

A: Given value--- Weight = 1480 N. force = 350 N. angle = 20 degree . We have to find--- (a) What is…

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!