F, (N) x (m) 10 12 14 16 18 20 2 4 6 8 4, 3. 2.
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A object of mass 3.00 kg is subject to a force Fx that varies with position as in the figure below.
(a) Find the work done by the force on the object as it moves from x = 0 to x = 4.00 m.
(b) Find the work done by the force on the object as it moves from x = 4.00 m to x = 11.0 m.
(c) Find the work done by the force on the object as it moves from x = 11.0 mto x = 17.0 m.
(d) If the object has a speed of 0.600 m/s at x = 0,find its speed at x = 4.00 m and its speed at x = 17.0 m.
| speed at
x = 4.00 m
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| speed at
x = 17.0 m
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m/s |
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- The force acting on a particle varies as in the figure below. (The x axis is marked in increments of 1.50 m.) Find the work done by the force as the particle moves across the following distances. (a) from x = 0 m to x = 12.0 m (b) from x = 12.0 m to x=18.0m (c) from x = 0 m to x=18.0mA block of mass m = 3.1 kg is placed on a rough incline surface making an angle e = 13.5. with horizontal. A force F parallel to the ground is applied to the block. Due to the applied force the block moved x = 1.2 meter along the inclined surface with constant speed. If the inclined surface has kinetic friction coeficient µk = 0.29 what is the work done by the applied force? Provide your answer with 2 decimal places. Take g = 9.81 m/s² mA 1100 kg car drives up a hill that is 16.2m high. During the drive, two nonconservative forces do work on the car: (i) the force of friction, and (ii) the force generated by the car's engine. The work done by friction is −2.91×105J; the work done by the engine is 6.74×105JFind the change in the car's kinetic energy from the bottom of the hill to the top of the hill
- An object of mass 3.00 kg is subject to a force E, that varies with the position as in the figure below. (a) Find the work done by the force on the object as it moves from x = 0 to x = 5.00 m. (b) Find the work done by the force on the object as it moves from x = 5.00 m to x = 12.0 m. (c) Find the work done by the force on the object as it moves from x = 12.0 m to x = 17.0 m. (d) If the object has a speed of 0.400 m/s at x 0, find its speed at x = 5.00 m and its speed at x = 17.0 m. F, (N) 4 3 2 x (m) 4 8 10 12 14 16 18 20Two forces F1 = (-1.5i-0.8j+0.7k) N and F2 = (-0.7i+1.2j) N, are applied to a moving object. what is the net force on the object? if the displacement vectoris d= (8.0i+6.0j+5.0k) m, what is the work done by these two forces?A object of mass 3.00 kg is subject to a force F, that varies with position as in the figure below. Fx (N) 3 2 1 X (m) 2 4 6 8 10 12 14 16 18 20 (a) Find the work done by the force on the object as it moves from x = 0 to x = 5.00 m. J (b) Find the work done by the force on the object as it moves from x = 5.00 m to x = 10.0 m. J (c) Find the work done by the force on the object as it moves from x = 10.0 m to x = 17.0 m. J (d) If the object has a speed of 0.600 m/s at x = 0, find its speed at x = 5.00 m and its speed at x = 17.0 m. speed at x = 5.00 m m/s speed at x = 17.0 m m/s
- The graph shows the x component of a force that acts on an object that moves on the x axis. The vertical spacing between adjacent grid lines is 4.98N, while the horizontal spacing between adjacent grid lines is 1.0m. What is the work, in joules, done by the force as the object moves from x = 4m to x = 5m ? F (N) C C 0 x (m)Consider an object of mass m = 4 kg on a frictionless table. The object experiences a repulsive force F = a/x2 + b/x, where F is in newtons and x is the position of the object relative to the origin. Write an expression for the work done by the repulsive force on the object as it moves from an initial position of x1 to a final position of x2. If the object starts at a position of x1 = 8.5 m apart, how much work, in joules, is required by an external force to bring it to a position of x2 = 2.5 m apart when a = 19 and b = 11? If the object starts at rest at a position x3 = 1.3 m and is released, at what speed v, in meters per second, will the object be moving when it is at position x4 = 12.5 m?A shopper pushes a grocery cart for a distance 21.5 m at constant speed on level ground, against a 32.5 N frictional force. He pushes in a direction 26.5° below the horizontal. What is the work done on the cart by the gravitational force, in joules? What is the work done on the cart by the shopper, in joules? Find the magnitude of the force, in newtons, that the shopper exerts on the cart. What is the total work done on the cart, in joules?
- In the arrangement of the first figure, we gradually pull the block from x = 0 to x = +3.0 cm, where it is stationary. The second figure gives the work that our force does on the block. The scale of the figure's vertical axis is set by Ws = 1.0 J. We then pull the block out to x = +6.0 cm and release it from rest. How much work does the spring do on the block when the block moves from xi = +6.0 cm to (a) x = +4.0 cm, (b) x = -1.0 cm, and (c) x = -6.0 cm?The force acting on a particle varies as in the figure below. (The x axis is marked in increments of 0.250 m.) Find the work done by the force as the particle moves across the following distances. (a) from x = 0 m tox = 2.00 m(b) from x = 2.00 m to x = 3.00 m(c) from x = 0 m to x = 3.00 mAn 8.10 kg package in a mail-sorting room slides 2.30 m down a chute that is inclined at 51.8 degrees below the horizontal. The coefficient of kinetic friction between the package and the chute's surface is 0.44. Part A- What is the net work done on the package?Express your answer in joules. Part B-Calculate the work done on the package by gravity. Express your answer in joules. Part C-Calculate the work done on the package by the normal force.Express your answer in joules. Part D- What is the net work done on the package? Express your answer in joules.