A 5.0-kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 3.0 m/s2, find the force exerted by the rope on the bucket.

Q: A weightlifter raises a barbell with an acceleration of 2 m/s². If the ne A weightlifter raises a…

A: ques: given: a=2 m/s2Fnet=316 N

Q: A 450-kg sports car accelerates from rest to 100 km/hr in 4.80 s. What magnitude force does a 68.0…

A: given:  initial velocity, u = 0 m/s final velocity, v = 100 km/h = 27.78 m/s time,  t = 4.8 s  mass,…

Q: A rock is suspended from a string; and it accelerates upward. Which statement is true concerning the…

A: The net force is given by the Newton's second law.  Net force = mass x acceleration

Q: What is the net force acting on an 85.9kg person resting on the floor?

A: We know that when an object is in rest on a floor the net force is  F = mg-N Now, N is the reaction…

Q: A hot-air balloon of mass Mis descending vertically with downward acceleration of magnitude a. How…

A: The balloon descends with an acceleration a.   There are two forces acting on it.   The total…

Q: A block of mass m = 5.8 kg is pulled up a θ = 25° incline as in Figure P4.30 with a force of…

A: Force, F = 32 N  Mass, m = 5.8 kg

Q: Two boxes (m = 0.500 kg and M = 1.00 kg) are sliding down a rough incline. The coefficient of…

A:

Q: A 60. kg body has two forces acting on it. A 50. N force forward (0o) and a 40. N force backward…

A: The free-body diagram of the body is shown below. The net force acting on the body can be…

Q: A 500 kg rocket sled can be accelerated at a constant rate from rest to 1600 km/h in 1.8 s.What is…

A:

Q: A 2 lb hammer travelling at a speed of 15 ft/s strikes anail and drives it 0.75 inor inches into a…

A: Since the hammer is moving it possesses kinetic energy which is given as k=0.5×m×v2---(A), So in…

Q: A 4.8-kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket…

A: F=ma+g

Q: A tractor pulling two trailers, M1 and M2, with a constant acceleration. T has a mass of 200 kg, M1…

A: Given data: The mass of tractor is T=200 kg. The mass of trailer 1 is M1=100 kg. The mass of…

Q: Find the tension in an elevator cable if the 1250 kg elevator is ascending with the  upward…

A: The mass of the elevator is m = 1250 kg. The upward acceleration of the elevator is a = 0.180 m/s2.…

Q: A child on a sled (total mass 55 kg) accelerates down a 19 degree incline at 1.73 m/s^2. What is the…

A: mass (m) = 55 kg θ = 19 degreea = - 1.73 m/s2

Q: As a 2.5 kg ball rolls down a ramp, the net force on it is 15 N.  What is its acceleration?

A:

Q: A 403.280 kg car is traveling down a 25-degree slope. At the instant that the speed is 13 m/s, the…

A:

Q: What net external force is needed to impart an acceleration of 2.00 m/s2 on an object of mass 10.0…

A:

Q: A pebble of mass 0.05 kg is thrown vertically upwards. Give the direction and magnitude of the net…

A: Acceleration due to gravity, irrespective of the direction of motion of an object, always acts…

Q: What is the acceleration of a 5.5 kg block that is being pushed with a forward force of 5 N and a…

A: Given that, mass of the block and two forces which applied the block in opposite direction. Then We…

Q: A child on a sled (total mass 55 kg) accelerates down a 16.8 degree incline at 1.98 m/s^2. What is…

A:

Q: A block of mass m = 5.8 kg is pulled up a 0 = 25° incline as in Figure P4.24 with a force of…

A:

Q: An object of mass 20.0 kg is falling in air and experiences a force due to air resistance of 40.0…

A: Given data: The mass of the object, m=20.0 kg. The resistive force exerted by the air on the…

Q: A block of mass ?=2.80 kg is being pulled by a force ?⃗ of magnitude 12.0 N on a horizontal, smooth…

A: a. The magnitude of the normal force is N+Fsinθ=mgN=mg-Fsinθ=2.80 kg9.8 m/s2-12.0 Nsin30.0°=21.4 N

Q: What magnitude net force is requred to accelerate to a 1200-kg car uniformly from 0 m/s to 27.0 m/s…

A: The net force required to accelerate a car of mass 1200 kg is calculated using following…

Q: A boat moving with a velocity of 10m/s, towards west is acted upon by a pair of balanced forces.…

A: Velocity of boat (v) = 10 m/s due west Let the pair of balanced forces acting on the boat are F and…

Q: The figure below shows the same two blocks A and But now suspended by a string on either side of a…

A: Free body diagram shows the forces acting. Each body in  system has set of forces acting on it.…

Q: What is the net force acting on a car cruising at a constant velocity of 70 km/h (a) on a level road…

A: The velocity of the car,

Q: A  1410-kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant…

A: Given  mass of the submarine (m)=1410 kg upward buoyant force(Fu)=16630 N downward buoyant…

Q: A body of mass 5 kg accelerates from 12 m/s to 20 m/s in 4 seconds due to the application of a force…

A: Given: The mass of the body is m=5 kg. The initial velocity is u=12 m/s. The final velocity is v=20…

Q: A 3.6 kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket…

A:

Q: A sled weighing 60.0 N is pulled horizontally across snowso that the coefficient of kinetic friction…

A: The formula for maximum acceleration is,

Q: A 4 kg box, pulled by a rope, is accelerated at 1.6 m/s2 horizontally across a floor. Assuming µk =…

A: mass of box = 4 kg a = 1.6 m/s2μ = 0.5 net force = ma  = 4 * 1.6  = 6.4 N

Q: When a parachute opens, the air exerts a large drag force on it. This upward force is initially…

A: Weight of the sky diver is W = 915 N Drag force of air is Fdrag = 1027 N Mass of sky diver is 93.4…

Q: Two blocks are connected by means of a massless rope and there is no friction. A) find acceleration…

A: A force acts on a system of two blocks connected by a massless and frictionless rope.  So, to…

Q: A 100-g box slides across a frictionless horizontal plane. If it is accelerating at 15 m/s2, find…

A:

Q: A crate of weight 1960 N, initially at rest, is being pushed by a horizontal force (F=500 N) to the…

A: According to the Newton's second law  Net force = mass x acceleration

Q: A 9 - kg sled sliding freely in the positive direction on an icy surface experiences a 3-N…

A: According to newton's second law of motion, the acceleration(a) of an object is the ratio of the net…

Q: A heavy box containing four laptops worth 700,000 pesos is being delivered to Dukue. From the…

A: mass of each laptop = 2 kgθ = 30oμk = 0.3number of laptops = 4

Q: A person weighs -800 N and is traveling downwards in an elevator whilst stood on a bathroom scale…

A: The given values are, w=-800 N=800 N   downwardsN=840 Nm=81.5 kg

Q: A 3.00-kg block starts from rest at the top of a 25.0° incline and slides 2.00 m down the incline in…

A: According to the Newton's second law, the net acceleration acting on an object is the ratio of the…

Q: Shown below is a 10.0-kg block being pushed by a horizontal force F → of magnitude 200.0 N. The…

A: Along the incline net force is Fnet=Fcosθ-mgsinθ-f Here F is applied force, m is the mass of the…

Q: An 800 kg car exerts 4000N of applied force on a level road while being opposed by 700 N of…

A: Given: mass of car, m = 800 kg  applied force, F = 4000 N force of friction, f = 700 N

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!