3) Friction: A person is dragging a packing crate of mass 100 kg across a rough horizontal floor where the coefficient of kinetic friction is 0.400. He exerts a force F sufficient to accelerate the crate forward. At what angle above horizontal should his pulling force be directed in order to achieve the maximum acceleration? A) 30° B) 21.8° C) 34.5° D) 27.7° E) 45°

Q: A force of 32 N, parallel to the inclined plane, is necessary to make a crate rise, with constant…

A: Force applied on the crate=F=32 N Angle the inclined plane makes with the horizontal=θ=30∘ We have…

Q: A dresser is being pushed by one person and pulled by another(as shown) such that is slides across…

A:

Q: D) A woman dragging a 20 kg suitcase with a 45 N force at an angle θ = 300 from horizontal at a…

A: solution as

Q: Block A, mass ma 15 kg, is on an inclined plane. Block A is connected to block B, which is hanging…

A:

Q: 20. A crate of weigh W = 860 N on a horizontal surface is pulled by a cord at an angle of 37° above…

A:

Q: 5) You and your friend are both pushing a couch across a living room. You apply 300 N at an angle of…

A:

Q: You push downward on a box at an angle 25° below the horizontal with a force of 750 N. If the box is…

A: Visualize the Problem:

Q: 10) A 50-kg traffic light is suspended from two wires making angles of 01=53°, and 02 = 37° with the…

A:

Q: The truck is carrying a 300 lb crate down a 6° incline at 40 mph. The static coefficient of friction…

A: Free body diagram

Q: A diver with a mass of 70 kg jumps from the 10.0 meter high tower for a direct-vertical dive. Its…

A:

Q: A 3-kg box is on a rough horizontal surface. An external force F is applied horizontally to the box.…

A: Answer is Option (b) The expression for find magnitude of acceleration of the box is a=Fm

Q: A M1 =1000-kg car is on a rough ramp that is inclined at θ = 20° above the horizontal. It is…

A:

Q: b) A 30.0kg crate is at rest on a floor as shown. The coefficient of static friction between the…

A: Dear student The static friction is the force which causes the block to cease sliding or we can say…

Q: b) A 30.0kg crate is at rest on a floor as shown. The coefficient of static friction between the…

A: Draw the free-body diagram of the crate.

Q: An object of mass = 0.35 kg is suspended from the ceiling of an accelerating car. If the car has an…

A: Given: The mass of the object is m=0.35 kg. The acceleration of the car is a=2.5 m/s2. The angle…

Q: 8) A baby of mass m=10. kg is having too much fun jumping up in a baby jumper held by two bungee…

A: mass of baby (m) = 10 kg θ = 30oacceleration (a) = 3 ms2 (in upwards direction)

Q: During a military training in Camp Jizmundo, Libas, Banga, Aklan , a sky diver of weighing 82 kg (…

A:

Q: 3) This time we have a crate of mass 29.9 kg on an inclined surface, with a coefficient of kinetic…

A:

Q: wo blocks are positioned on surfaces, each inclined at the same angle of 41.9 degrees with respect…

A: Given:-  The mass mb = 3.95 kg  angle θ= 41.9°   the coefficient of kinetic friction for both blocks…

Q: A 35 kg block is at rest on an inclined plane at 13". What is the magnitude of the normal force on…

A: Given,Mass of the block, m = 35 kgThe angle between the horizontal and inclined plane, θ=13°The Free…

Q: iii. Figure 1 shows a ball being pulled by two Forces, F1 and F2, on a horizontal plane. F1, with a…

A:

Q: 9) Kinetic friction on horizontal surface: A factory worker pushes a crate mass m at constant…

A: Given:   mass of the crate is m coefficient of kinetic friction is μk  Angle of the force applied by…

Q: 7) Two people push on a box with a mass of 40.0 kg, shown here as viewed from above. Force F₁ has a…

A:

Q: 5) Two crates connected by a rope lie on a horizontal surface as shown in the figure. Crate A has…

A:

Q: A diver with a mass of 70 kg jumps from the 10.0 meter high tower for a direct-vertical dive. Its…

A:

Q: 2) m, m. 2, Two masses are attached by a string over a pulley as shown above. The hanging mass is…

A: from F.B.D let assume hanging mass is accelerating upward with acceleration a, because both masses…

Q: You pull a 40.0 kg box through a rope across the floor at a constant speed. The magnitude of your…

A:

Q: 1) A box of mass m is on a horizontal plane with coefficient of friction k. When it is pushed by…

A:

Q: 32 - A diver with a mass of 70 kg jumps from the 10.0 meter high tower for a direct-vertical dive.…

A:

Q: 1) Four forces act on a 0.5 kg particle. Three of the four are shown. Find the magnitude and…

A: Given mass of the body, 0.5 kg F1= 15N, θ3=43o north of east F2= 19N, θ2=19o west of east F3= 16N,…

Q: Determine the maximum and minimum values ​​of the weight "W" that the block on the left can have…

A: Given: The coefficients are u1=0.2 and u2=0.3 respectively.

Q: A child drags their toy lawnmower (mass 1.20 kg) across the floor with an applied force of 4.00 N…

A:

Q: A loaded sled with a weight of 500 N slides down a frictionless incline with an acceleration of 2.0…

A: Given Weight of the sled is W=500 N Acceleration of the sled is a=2.0 m/s2   We have to find the…

Q: Listen When a 54.0-kg crate is pushed across a frictionless horizontal floor with a force of 240.0…

A:

Q: 1) The figure below illustrates a large block having mass M positioned on a horizontal frictionless…

A: Given:-

Q: .25) Three boxes are at rest on a level surface as shown. Forces are applied to the boxes as shown…

A: Given data:  Three different boxes The forces are applied on the boxes Coefficient of static…

Q: 4.0-kg square block is on an incline plane of 30 degrees angle with respect to the ground.…

A:

Q: a) 84 N Ob) 190 N c) 150 N d) 26 N

A: Dear students, I have given my 100% on this question. If you see any kind of problem or mistake then…

Q: b) A 25.0kg crate is at rest on a floor as shown. The coefficient of static friction between the…

A: Given: The mass of the object is 25 kg. The static coefficient of friction is 0.375. The kinetic…