To push a 3-kg crate up a frictionless incline angled at 20° to the horizontal, a worker exerts a force of120 N parallel to the incline. The crate moves a distance of 8 m, (useg = 10 m/s²).What work is done on the crate by the worker?Submit AnswerTries 0/3What work is done on the crate by gravity?Submit AnswerTries 0/3What is the work done on the crate due to the normal force of the inclined plane surface?Submit AnswerTries 0/3What is the net work done on the crate?Submit AnswerTries 0/3If the crate begins at rest, what is the final speed of the crate as it is moved from the bottom to the topof the inclined plane?m/s

Given:- mass of crate m= 3 kg θ=20o F= 120 N d= 1.50 m

Answered: What work is done on the crate by…

Science

Physics

What work is done on the crate by Submit Answer Tries 0/3 What is the work done on the crat Submit Answer Tries 0/3

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter7: Work, Energy, And Energy Resources

Section: Chapter Questions

Problem 7PE: A shopper pushes a grocery cart 20.0 m at constant speed on level ground, against a 35.0 N...

See similar textbooks

Related questions

Q: A body does 32 Joules of work in 6 seconds . What is it's power

A: Power is define as the work done per unit time. Power = work/time

Q: A very light cart holding a 4 * 10-N box is moved at constant velocity across a 2.3 m level surface.…

A: Given, Force , F = 400 N distance , d = 2.3 m

Q: A diver climbs up the stairs to the diving tower. The work he does climbing the stairs is?

A: From work energy theorem, change in potential energy of the diver is equal to the work done.

Q: 2. Joshun pushed the block of ice with a force of 80 N at 25 from parallel. He pushed the ice 40 m…

Q: Ali is pushing a 55 kg desk across the classroom floor with a constant velocity. The coefficient of…

Q: A 50-kg crate sits at rest on a floor. A person pushes on the crate with a horizontal force of 600N,…

A: According to work energy theorem: Net work done = Change in kinetic energy We+Wf=12mv2-12mu2 We and…

Q: a farmer hooks his tractor to a sledge loaded with firewood and drags it 20 m above the horizontal…

A: The free- body diagram shown in figure (1) The vector form all the given values would be…

Q: Power is defined by? Choose all that apply. A. Rate of doing work. B. force / time C. work done /…

Q: Calculate the value of work done Force applied on crate=20 N Distance moved by crate=2.02 m

A: Given value--- applied force = 20 N . Distance = 2.02 m. We have to find--- Work done?

Q: A force of 30 N acts on a body and moves it through a distance of 5 m in the direction of force.…

A: Given data: Force (F) = 30 N Distance (d) = 5 m Angle between displacement and force (θ) = 0°…

Q: Determine the value of work done if force applied on crate is 13 N displace the object by 2 m

A: If we apply a force F on an object and for which the object will displace by an amount x, then the…

Q: The weight of a man is 300 N. Cal- culate the amount of work he does in climbing the second floor…

Q: • Mr. Muscedere slams on the breaks. The force of friction his brakes applies is 1400 N. If he…

A: We know that work done θ W=Fdcosθ Where F is force applied d is displacement θ is angle between…

Q: A girl on skateboard (total mass of 56.4 kg) is moving at 11 m/s at the bottom of a long ramp. The…

Q: Which is true about Work Done? (Select as many that applies) Work is a scalar quantity O Work can be…

A: (a) True. Work is the dot product of Force and displacement. Force and displacement are vectors, dot…

Q: Write down The relationship between the total work done on an object and how the object’s speed…

Q: Explain what it means for a force to do work on an object.

A: The work done is given by

Q: Two people lift a 5 W piano onto a truck bed that is 1 D in height. They use a ramp that is 3 D…

A: We know that the work done is given by Work = Force . Displacement = F.S CosΘ Force (F) = 5 W…

Q: A sled is pulled for 15 m by a variable force as shown in the figure below. Calculate the work done…

A: The area under the force vs. displacement graph is equal to the amount of work done on the object by…

Q: ich is true about Work Done? (Select as many that applies) Work is a scalar quantity Work can be…

Q: Explain the work you had done when running and walking in the stairs

A: Work done is defined as the product of the displacement (d) and the force acted in the direction of…

Q: 11. A kid goes down a 2 meter slide with a constant speed. Identify the system and the types of…

A: In this problem, it is asking about the type of motion or system on that a kid goes down a 2 m slide…

Q: Three people lift a 5 W piano onto a truck bed that is 1 D in height. They use a ramp that is 2 D…

A: Required : Total work done, W.

Q: A force of 20 N acts on a body and moves it through a distance of 5 m in the direction of force.…

A: Given data: Force (F) = 20 N Distance (d) = 5 m Angle between force and displacement (θ) = 0°…

Q: It takes 100 J of work to lift an elevator 18m if this is done in 20 s what is the average power of…

A: Given work = 100kJ time = 20 sec power= ? distance is not require for power calculation.

Q: At a playground, a 19-kg child plays on a slide that drops througha height of 2.3 m. The child…

Q: A block is being lowered down a ramp as shown below. 35° The tensional force is doing : work on the…

A: Given, A block on an inclined surface

Q: The time taken to accomplish a certain work as a unit of O Watt Newton Work Kilogram Joule

A: Work is defined as the product of the component of the force in the direction of the displacement…

Q: A driver climbs up the stairs to the diving tower. The work he does climbing the stairs is?

A: When someone is climbing he needs to do work against gravity. The work is defined as the dot product…

Q: 10 The diagram below shows two identical wooden planks, A and B, at different incline angles. The…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: caclualte the work done to pull a block a box has 50 kg on horeziontal plane with a friction 0.5 for…

A: Required :: The work done to pull a block a box has 50 kg on horizontal plane with a friction 0.5…

Q: A force is applied to several boxes. Rank the five situations shown in the figure from most to least…

A: Consider the force applied on each box is denoted by F. Consider the acceleration due to gravity of…

Q: How LONG DOES IT TAKE for a 75 Watt light bulb to burn out if it can 4 p perform 600,0dO J of work…

Q: A boy pushes a book by applying a force of 40 N. Find the work done by this force as the book is…

Q: A sail boat is moving at a constant velocity. Is work being done by a net external force acting on…

A: In this case, a sail boat is moving at a constant velocity.

Q: Two people push on a wall with 100 N. The wall doesn’t move. How much work is done?

Q: Determine the work done by a person lifting a 25-kilogram bag of sugar 3 meters.

A: mass of sugar bag , m=25 kg displacement of the bag , s=3m assuming the bag is lifted with constant…

Q: A force of 50 N acts on a body and moves it through a distance of 5 m in the direction of force.…

Q: A 4000-lb wrecking ball hangs from a 30-ft cable of density 6 Ib/ft attached to a crane. Calculate…

Q: A force, F, inclined at 30° with the horizontal moves an object horizontally a distance of 8m.…

Q: Work and Energy requires different kinds of balls to determine the value of each ball’s potential…

Q: a rope applies a hortizontal force of 180 N to pull a crate a distance of 2 m across a floor. A…

Q: A floor polisher supplies an average of 1000 W of power. If the floor polisher is used for 10…

Q: A motorist runs out of gas on a level road 170 m from a gas station. The driver pushes the 1,140 kg…

A: Given data: Displacement (d) = 170 m Mass (m) = 1,140 kg Force (F) = 190 N Required: The work done…

Q: How to calculate work energy

A: The work-energy theorem is derived from Newton's second law.

Q: A 1200 gram ball rolling down a hill started with a velocity of 2 m/s. After 3 minutes, the velocity…

A: Mass of the ball m=1200 g=1.2 kg, initial velocity of the ball u=2 m/s and velocity of the ball…

Q: A 100-lb person compresses a bathroom scale (0.08 in. If the scale obeys Hooke's law, how much work…

A: It is given that, F1=100 lbx1=0.08 inF2=150 lbx2=?

Q: A 1000 kg sports car is initially traveling at 5 m/s . The driver then applies the brakes for…

Q: A 200g mass is lifted 5.0m off the ground. Calculate the work done in lifting it

A: The work done required to lift an object is nothing but the gravitationalpotential…

Concept explainers

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.

Question

To push a 3-kg crate up a frictionless incline angled at 20° to the horizontal, a worker exerts a force of
120 N parallel to the incline. The crate moves a distance of 8 m, (useg = 10 m/s²).
What work is done on the crate by the worker?
Submit Answer
Tries 0/3
What work is done on the crate by gravity?
Submit Answer
Tries 0/3
What is the work done on the crate due to the normal force of the inclined plane surface?
Submit Answer
Tries 0/3
What is the net work done on the crate?
Submit Answer
Tries 0/3
If the crate begins at rest, what is the final speed of the crate as it is moved from the bottom to the top
of the inclined plane?
m/s

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

A sled of mass 70 kg starts from rest and slides down a 10 incline 80 m long. It then travels for 20 m horizontally before starting back up an 8° incline. It travels 80 m along this incline before coming to rest. What is the magnitude of the net work done on the sled by friction?
Cite two examples in which a force is exerted on an object without doing any work on the object.
Give an example of a situation in which there is a force and a displacement, but the force does no work. Explain why it does no work.
The force acting on a particle is Fx = (8x 16), where F is in newtons anti x is in meters. (a) Make a plot of this force versus x from x = 0 to x = 3.00 m. (b) From your graph, find the net work done by this force on the particle as it moves from x = 0 to x = 3.00 m.
A worker pushes a wheelbarrow with a horizontal force of 50 N on level ground over a distance of 5.0 m. 11 a friction force of 43 N acts on the wheelbarrow in a direction opposite that of the worker, what work is done on the wheelbarrow by the worker? (a) 250 J (b) 215 (c) 35 J (d) 10 J (e) None of those answers is correct.
The force acting on a particle varies as shown in Figure P6.14. Find the work done by the force on the particle as it moves (a) from x = 0 to x = 8.00 m, (b) from x = 8.00 m to x= 10.0 m, and (c) from x = 0 to x = 10.0 m.
What is the dominant factor that affects the speed of an object that started from rest down a frictionless incline if the only work done on the object is from gravitational forces?
a shopper in a supermarket pushes a cart with a force of 35 N directed at an angle of 25 below the horizontal. The force is just sufficient to overcome various frictional forces, so the cart moves at constant speed, (a) Find the work done by the shopper as she moves down a 50.0-m length aisle, (b) What is the net work done on the cart? Why? (c) The shopper goes down the next aisle, pushing horizontally and maintaining the same speed as before. If the work done by frictional forces doesnt change, would the shoppers applied force be larger, smaller, or the same? What about the work done on the cart by the shopper?
As a young man, Tarzan climbed up a vine to reach his tree house. As he got older, he decided to build and use a staircase instead. Since the work of the gravitational force mg is path Independent, what did the King of the Apes gain in using stairs?
A shopper pushes a grocery cart 20.0 m at constant speed on level ground, against a 35.0 N frictional force. He pushes in a direction 25.0° below the horizontal. (a) What is the work done on the cart by friction? (b) What is the work done on the cart by the gravitational force? (c) What is the work done on the cart by the shopper? (d) Find the force the shopper exerts, using energy considerations. (e) What is the total work done on the cart?