force of 40 N acts on body of mass 5 Kg. What is the amount of work done if the total displacement is 2 m and is in the direction of the force applied? a) 80 J b) -80 J c) 40 J d) 16 J

Q: A 2.78 kg cart moving along a horizontal track in the positive x-direction has a changing force…

A: Given, Mass of the cart, m = 2.78 kgPoints,A = (0, 4)B = (0.05, 0)C = (0.15, -3)D = (0.40, 0)

Q: 2. If a man lifts a 20.0-kg bucket from a well and does 6.00 kJ of work, how deep is the well?…

A: solution is given as

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Q: How much work was done on him by gravity?

A:

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A: Given: mass = 2 kg F = 4 N t = 10 seconds

Q: 2. The graph shows the x component of the net force on an object versus position. Find the work done…

A: Note: As per the guidelines, we can attempt only the 1st three sub-parts The work done is given as,…

Q: Question #: 19 An object of mass 2.0 kg moves in the north direction on a level ground. One of the…

A:

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A: Given: A force of 600 N elongates a spring from its natural length of 18 cm to a length of 20 cm.

Q: Question 24 A student's backpack weighs 8.0 N. The students lifts the backpack from the floor to a…

A:

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A: Solution: Given: m = mass of block = 1 kg v0 = speed of block = 2ms s = distance in which block is…

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A: Static frictional force always act opposite applied force Consider the following example If applied…

Q: A horizontal force of 400 N is applied to a 50-kg cart across a 10-m level surface. If the cart…

A: Given       Horizontal force=400N             Mass of cart=50kg          Displacement=10m…

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A:

Q: 1. a) Calculate the work done when a truck pulls on a load at a 35° angle with a force of 4000 N and…

A:

Q: A 75-kg man is carrying a 50-kg crate as he ascends to the sixth floor of a building through an…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: A 2.00-kg (20.0-N) stone is dropped from a height of 5.0 m, and strikes the ground with a velocity…

A: Given data: Mass (m) = 2.00 kg Weight (mg) = 20.0 N Height (h) = 5.0 m Initial velocity (v0) = 0 m/s…

Q: As a woman carries her suitcase up a flight of stairs, she does work against gravity. If the mass of…

A: mass of suitcase (m) = 10 kg Height of stairs (h) = 12 m g = 9.8 ms2

Q: An object weighing 20 kg is raised through a height of 2 m. What will be the work done by the force…

A: mass = 2 kg height = 2m if the value of g = 10 m/s2

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A: Answer  W=7 J

Q: lorce is applied to push a block across a frictional surface at constant speed for a displacement of…

A: Applied force, Fapp = 23 N Frictional force, Ffrict = 23 N Normal force, Fnorm = 20 N Gravity force,…

Q: I Review I Constants An 8.5 kg crate is pulled 5.4 m up a 30° incline by a rope angled 19° above the…

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Q: I am riding an elevator that has a constant upward acceleration while the elevator travels upwards a…

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Q: An 0.5 kg object is initially located at a height 2.5 m was kicked vertically upward to a height of…

A: The work done is given by  W = F s cos A  where, F is the force, s is the displacement and A is the…

Q: A force F = bx3 acts in the x direction, where the value of b is 3.7 N/m3. How much work is done by…

A:

Q: What is the work required by friction to stop a 6.7 kg block sliding on a table if it initially has…

A:

Q: Cite two examples in which a force is exerted on an object without doing any work on the object

A: Example 1  A boy whirling a stone tied to a rope in  horizontal circle. In this case force applied…

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Q: In the figure shown, if the mass (m=4 Kg) is moving with constant speed and traveled a distance…

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Q: Suppose the coefficient of kinetic friction between a loaded 47.0 kg Eskimo pulled a sled and snow…

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Q: Find the magnitude of the net torque (in N.m) on the wheel shown in the Figure about the axle…

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Q: A 60-N constant force exerted on a 10-kg object for 12 seconds. The initial velocity of an object is…

A: (a) Calculate the acceleration of the object due to the applied force. a=Fm=60 N×1 kg·m/s21 N10 kg=6…

Q: An elevator of mass 500 kg descends with an acceleration of 2 m/s^2 for a distance of 12 metres.…

A: Force brings about motion and changes in it. This force produce acceleration and hence the changes…

Q: How much work was done by a machine that exerts a 5000 N force to compress a 10-meter-long steel bar…

A:

Q: Find the work done in joules by gravity as an object of the mass m=9 kg is raised up at constant…

A: Given data: The mass of the object, m=9 kg. The initial height of the object, h1=26 m. The final…

Q: 39. A 4.0-kg block is lowered down a 37° incline a distance of 5.0 m from point A to point B. A…

A:

Q: An object of mass 1kg is subjected to a variable force in x-direction. The force function is F = x2…

A: Given: mass of object = 1kg F = x2 N