Problem 1: A horizontal force, F1 = 65 N, and a force, F2 = 18.1 N acting at an angle of 0 to the horizontal, are applied to a block of mass m= 4.4 kg. The coefficient of kinetic friction between the block and the surface is u = 0.2. The block is moving to the right. Rondomized Voriobles
Q: block with a mass of m = 27 kg rests on a frictionless surface and is subject to two forces acting…
A: According to Newton's second law F =ma
Q: a)Write an expression for the component of net force, Fnet,x, in the x-direction, in terms of the…
A: For the given figure the free body diagram is given below
Q: The path of motion of a 0.5 kg particle in the horizontal plane is described in terms of polar…
A: The radial coordinate is given as, r=5t-1drdt=5d2rdt2=0 The angular coordinate is given as,…
Q: A woman exerts a horizontal force of 119 N on a box with a mass of 39.2 kg. If the box doesn't move,…
A: Given a force F is exerted by the woman on the block, if the block is not moving, then the static…
Q: A child pulls on a wagon of mass 47 kg at an angle 33 degrees above the horizontal with a force of…
A: The expression for the force is,
Q: SFS S\thetas A block of mass 4.48 kg initially at rest is pulled by a force of magnitude Fat an…
A:
Q: A 2.5 kg block is initially at rest on a horizontal surface. A horizontal force F of magnitude 5.7 N…
A:
Q: In three experiments, three different horizontal forces are applied to the same block lying on the…
A: Given: F1 = 12 N F2 = 8 N F3 = 4 N
Q: A force is applied to an initially stationary block of mass 5.70 kg that sits on a horizontal floor…
A: Given Data: The mass of a block is, m=5.70 kg The applied force on a block is, F=98.9 N The angle…
Q: What is the magnitude of the static frictional force acting on the block? A block is at rest on a…
A: Given data: Block of mass m rest on inclined plane And an another block of mass m connected by…
Q: In a concurrent force system, the following four forces are applied;F1 (105N, 40deg down to the…
A: concurrent force system, the following four forces are applied;F1 (105N, 40deg down to the right),…
Q: In the figure, let the mass of the block be 8.50 kg and the angle 0 = 30.0°. Frictionless
A: here the block is on frictionless surface . therefore, there is no frictional force. due to its…
Q: A 3.20-kg object is moving in a plane, with its x and y coordinates given by x = 3t2 − 4 and y = 2t3…
A: Given, Mass of the object: m = 3.20 kg x coordinate of the object: x = 3t2 − 4 y coordinate of the…
Q: 1.7 Practice Problem A locomotive of mass 2 * 10^5 kg travels 50 m / s along a straight horizontal…
A:
Q: Problem 1: A teenager of mass m = 62 kg pushes backward against the ground with his foot as he rides…
A: FGROUND=FFOOT=17.5NFGROUND=M1+M2aa=FGROUNDM1+M2
Q: A block is pulled at constant speed along a rough level surface by a rope that makes an angle of 30°…
A: When the system is in equilibrium, the net force on the object is zero.
Q: Two blocks, of masses m1=300g and m2=500g, are pushed by a force P. The coefficient of friction…
A: Given: m1=300 g=0.3 kgm2=500 g=0.5 kgμ=0.4a=200 cm/s2=2m/s2 a) Blocks are pushed by force P.…
Q: A 2.5 kg block is initially at rest on a horizontal surface. A horizontal force F of magnitude 6.2 N…
A: The free body diagram for the given block is : Now, equating the forces we have, F-f=maFN+P=mg…
Q: Problem 1 788 N 32 985 N 53 411 N Workmen are trying to free an SUV stuck in the mud. To extricate…
A: The x and y components of each pulling using the given figure, F1x=F1 cosθ1=985 N cos31°=844.31 N…
Q: A block that weighs 60 N is intially at rest on a horizontal surface. A horizontal force F1 of…
A: a)Net force on the block is,
Q: Block 1, of mass m1 = 0.700 kg , is connected over an ideal (massless and frictionless) pulley to…
A: Consider the normal reaction on the block 2 be N, the tension in the cord be T, and the frictional…
Q: A 2.70-kg object is moving in a plane, with its x and y coordinates given by x = 8t2 - 3 and y = 4t3…
A: Mass = 2.7 kg
Q: Which of the following statements about the force of static friction between two surfaces is false?…
A: a. True : It takes on any value between zero and the maximum possible force of static friction,…
Q: nd the magnitude and direction of the resultant force for the system of forces shown in the figure.…
A: Given F1=10N,F2=40N,F3=15N,F4=40N,F5=90N,F6=90N,F7=40N θ1=20,θ2=35,θ4=50,θ6=30
Q: A 3.00-kg object is moving in a plane, with its x and y coordinates given by x = 512 - 1 and y = 313…
A: Data given , x = 5t2 - 1 and y = 3t3 + 2 Now , Acceleration can be obtained by double…
Q: A box rests on a frozen pond, which serves as a frictionless horizontal surface. If a fisherman…
A: Using Newton's 2nd law: F_net = m*a m = mass of box = ? a = acceleration of box = 3.50 m/s^2 F_net…
Q: Problem 10: A horizontal force of magnitude F = 56.6 N pushes on a block of mass m = 6.89 kg. The…
A:
Q: A block with a mass of m = 16 kg rests on a frictionless surface and is subject to two forces acting…
A: (a)From the figure the net force acting in the x direction is given by,
Q: Two forces act on a 56-kg object. One force has magnitude 65 N directed 59° clockwise from the…
A: The horizontal component of force on this case is The vertical component of force on this case is
Q: A block with a mass of m = 22 kg rests on a frictionless surface and is subject to two forces acting…
A:
Q: A block with a mass of m = 46 kg rests on a frictionless surface and is subject to two forces acting…
A: We are going to apply the vector components rule here. That will enable us to solve the problem…
Q: A sled is pulled at a constant velocity across a horizontal snow surface. If a force of 4.0 x 10^1 N…
A: The free body diagram of the sled is given below.
Q: The block shown in the figure is sliding along a frictionless horizontal surface The block's mass is…
A:
Q: Two forces F1 = (55.6i - 26.83j) N and F2 = (27.41i - 80.52j) N are exerted on a particle. The…
A:
Q: Which of the following is true regarding the ground reaction force? Group of answer choices pick one…
A: Which of the following is true regarding the ground reaction force?
Q: A 2.5 kg block is initially at rest on a horizontal surface. A horizontal force F of magnitude 6.2 N…
A:
Q: A240kg blockis inkially at rest on a horizontal surface. Ahorizontal force F of magnitude 6.01 Nand…
A:
Q: Two forces FA and Fg are applied to an object whose mass is 7.20 kg. The larger force is FA .When…
A: given the mass of the object, m = 7.20 Kg In case 1, when both the forces act towards the east (same…
Q: What is the direction of the net force acting on the 5kg object? Two forces, 10 N east and 5 N west,…
A: Given data: Two forces F1 = 10 N, towards East F2 = 5 N, towards West Required: The direction of…
Q: Find the magnitude and direction of the resultant force for the system of forces shown in the…
A: Given a system of forces: where, F1=10N F2= 5 N F3= 30 N F4= 50…
Q: A telephone pole has three cables pulling as shown from above, with F ⃗ 1 = 300.0i ^ + 500.0j ^ ,F ⃗…
A:
Q: A 2.5 kg block is initially at rest on a horizontal surface. A horizontal force F of magnitude 6.2 N…
A:
Q: Two forces act on a 25 kg object. One force has magnitude 65 N direction 59 degree clockwise from…
A: The mass of the object is m = 25 kg. Assume the acceleration of the object is denoted by a.
Q: In Fig, a block of mass m =5.00 kg is pulled along a horizontal frictionless floor by a cord that…
A: Given:mass of the block, m = 5 kgForce exerted by cord, F = 12 NAngle, θ = 25° Now, a) Find the…
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- For sport, a 12 kg armadillo runs onto a large pond of level, frictionless ice. The armadillo’s initial velocity is 5.0 m/s along the positive direction of an x axis.Take its initial position on the ice as being the origin. It slips over the ice while being pushed by a wind with a force of 17 N in the positive direction of the y axis. In unitvector notation, what are the animal’s (a) velocity and (b) position vector when it has slid for 3.0 s?Horizontal force, F1= 85N, and a force, F2= 18.8 N acting at an angle of theta to the horizontal, or apply to a block of mass M equals 2.7 KG. The coefficient of kinetic friction between the block in the surface is I’m=0.2z the block is moving to the right. Randomized Variables F1=85 N F2=18.8 N M=2.7 kg (A) solve numerically for the magnitude of the number force, Fn in Newton, that acts on the block if theta equals 30°. (b) solve numerically for the magnitude of acceleration of the block, a in m/s^2, if theta= 30 degrees. A particle with a mass of 10 kg is moving at a velocity of (3t^2 + 4t)j m/s. What would be the expression for the external net force F(t) being applied to the particle? Note: i and j are unit vectors
- A Block of mass m is moving to the left with a velocity of magnitude v1. At t=0 a force is exerted on the block, pointing to the right with magnitude c1t where c1 is a known constant. How far will the block travel to the left before it reverses its direction of motionConsider the 63 kg ice skater being pushed by two others shown in the figure. The coefficient of static friction is μs=0.4 and kinetic is μk=0.02.Randomized Variablesm = 63 kgF1 = 238 NF2 = 175 N Find the magnitude of Ftot, the total force exerted on her by the others, given that the magnitudes F1 and F2 are 238 N and 175 N, respectively in Newtons. Find the direction of Ftot (in degrees relative to the horizontal), the total force exerted on her by the others, given that the magnitudes F1 and F2 are 238 N and 175 N, respectively .What is the maximum value of the static friction force, in Newtons, that can act on the skater before she moves? What is her acceleration assuming she is already moving in the direction of Ftot in m/s2?A crate with a mass of m=330 kg rest on the horizontal deck of the ship. The coefficient of static friction between the crate and the deck is us=0.71. The coefficient of kinetic friction is uk =0.49. Randomized variables M= 330 kg Us= 0.71 Uk = 0.49 (A) write an expression for the minimum force, Fm, that must be applied to get the block moving from rest. (B) is the magnitude of the force FM in newtons? (C) write an expression for the force FV that must be applied to keep the block moving at a constant velocity. (D) what is the magnitude of the force FV in newtons?
- A child bounces a 46 g superball on the sidewalk. The velocity change of the superball is from 21 m/s downward to 13 m/s upward. If the contact time with the sidewalk is 1/800s, what is the magnitude of the average force exerted on the superball by the sidewalk?Answer in units of N.A teenager of mass m1 = 61 kg pushes backward against the ground with his foot as he rides his skateboard. This exerts a horizontal force of magnitude Ffoot = 10.5 N. The skateboard has m2 = 2.7 kg. Randomized Variables Ffoot = 10.5 Nm1 = 61 kgm2 = 2.7 kg a) Write an expression for the magnitude of the horizontal component of force that the ground exerts on the teenager's foot, Fground. b)Write an expression in terms of given quantities for the magnitude of the skateboard's acceleration, a, while the teenager is pushing backwards on the ground. c)What is the numerical value for the magnitude of the acceleration, a, in m/s2?A drone is being directed across a frictionless ice covered lake. The mass of the drone is 1.50 kg, and its velocity is 3.00i ^ m/s . After 10.0 s, the velocity is 9.00i ^ + 4.00j ^ m/s . If a constant force in the horizontal direction is causing this change in motion, find (a) the components of the force and (b) the magnitude of the force.
- A particle of mass M is allowed to fall from rest at a distance b from the origin at which a constant force acts that attracts the body according to the inverse square law f (x) _kx² Calculate the time required for the object to reach the origin pointA 1060 kg artillery shell is fired from a battleship. While it is in the barrel of the gun, it experienced an acceleration of 2.1x10^4 m/s^2. Randomized Variables M=1060kg A=2.1x10^2 m/s^2 (A) what net force is exerted on the artillery shell before it leaves the barrel of the gun (in Newton’s)? (B) what is the magnitude of the force exerted on the ship by the artillery shell in Newton’s?A 0.35 kg particle moves in an xy plane according to x(t) = - 17 + 1 t - 5 t3 and y(t) = 18 + 5 t - 10 t2, with x and y in meters and t in seconds. At t = 1.5 s, what are (a) the magnitude and (b) the angle (within (-180°, 180°] interval relative to the positive direction of the xaxis) of the net force on the particle, and (c) what is the angle of the particle's direction of travel?