11) (6 marks) (a) An object starts at an initial position and moves to a final...
11) (6 marks) (a) An object starts at an initial position and moves to a final position. €!d initial=3.45ˆ i −2.34ˆ j +6.78ˆ k and !d final=7.89ˆ i −1.23ˆ j +9.86ˆ k where the force !F =2.34 ˆ i -7.89 ˆ j -8.76 ˆ k The displacement vectors are in metres and the Force vectors in newtons.What is the work done by this force on the object?(b) Nothing to do with part (a). Another object is acted upon by a force that changes with position along the x-axis such that€!F =5.43x2.19ˆ i What is the the work done on the object as it moves from x1= 2.34 metres to 3.45 metres
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11) (6 marks) (a) An object starts at an initial position and
moves to a final...
04 Torce - (2.001 + 9.00J + J.JUK) N acts on a 2.90 kg object that...
04 Torce - (2.001 + 9.00J + J.JUK) N acts on a 2.90 kg object that moves in time interval 2.10 s from an initial posi- tion 7= (2.70i - 2.90j + 5.50k) m to a final position 72 = (-4.10i + 3.30j + 5.40k) m. Find (a) the work done on the object by the force in that time interval, (b) the average power due to the e Pare = 2 force during that time interval, and (c) the...
An object of mass 6.50 kg undergoes a displacement S= 11.5 m i + 5.5 m...
An object of mass 6.50 kg undergoes a displacement S= 11.5 m i + 5.5 m j while it is being acted on by a net force F = 5.9 N i -2.2 N j. a) How much work is done on the object by the net force? b) If the object above starts from rest, what is its speed after it has undergone the displacement described above?
A small object with mass 3.60 kg moves counterclockwise withconstant speed 1.30 rad/s in a...
A small object with mass 3.60 kg moves counterclockwise with constant speed 1.30 rad/s in a circle of radius 3.45 m centered at the origin. It starts at the point with position vector 3.45î m. Then it undergoes an angular displacement of 8.75 rad.(a) What is its new position vector?(b) In what quadrant is the particle located and what angle does its position vector make with the positive x-axis?(c) What is its velocity?(d) In what direction is it moving?(e) What...
A force F = (3xi - 2xyj) N acts on an object as the object moves...
A force F = (3xi - 2xyj) N acts on an object as the object moves in the .x direction origin to .v 5.00 m (no motion in v-axis). The object has a mass m = 5.00 kg. Find the work done on the object by the force F. lf the object starts from rest, what is the final speed of the object at x = 5.00 m.?
physics problem A force F = (9.60 N)i + (6.30 N)j + (7.00 N )* acts...
physics problem
A force F = (9.60 N)i + (6.30 N)j + (7.00 N )* acts on a 9.40 kg mobile object that moves from an initial position of 0,- (2.40 m ) + (1.50m)) + (9.10 m ) to a final position of , - (2.00m) + (9.20m)) + (5.00m) in 5903. Find (a) the work done on the object by the force in the 5.90 s interval, (b) the average power due to the force during that interval,...
Work from a Constant Force
Learning Goal: To understand how to compute thework done by a constant force acting on a particle that moves in astraight line.In this problem, you will calculate the work done by a constantforce. A force is considered constant if is independent of . This is the most frequently encountered situation inelementary Newtonian mechanics.part AConsider a particle moving in a straight linefrom initial point B to final point A, acted upon by a constantforce .The force (think of it as a...
A force of F = 4.0 i + 10.0j Newtons moves an object through a displacement...
A force of F = 4.0 i + 10.0j Newtons moves an object through a displacement of d=-2.0 i +1.0j meters. The object is initially at rest. $ 16. How much work does the force do to the object? P=14.0i)+(10) N =(-2:01+10 g) m (1 kg) 8 J 17. How fast is the object at the end of the displacement? no friction mass 1.0 10kg
The force an ideal spring exerts on an object is given by Es=-la, where x measures...
The force an ideal spring exerts on an object is given by Es=-la, where x measures the displacement of the object from its equilibrium (x = 0) position. If k= 60 Nm, how much work done by its force as the object moves from x = 0 m to x = -0.2 m? Select one: a. 2.4 J b. - 1.2 J C. 1.2 J d. Zero
A 2.00 kg object starts at the origin with an initial velocity of 3.00 m/s in...
A 2.00 kg object starts at the origin with an initial velocity of 3.00 m/s in the direction of 20.0° N from E. The object feels a constant force of 5.00 N in the direction of 55.0° N from E for 4.00 s. a) What is the magnitude and direction of the acceleration? b) What are the components of the acceleration? c) What are the components of the initial velocity? d) What are the components of the final velocity? e)...
+ A machine carries a 7.0 kg package from an initial position of d ; =...
+ A machine carries a 7.0 kg package from an initial position of d ; = (0.8 m) î + (0.77 m)ị + (0.26 m)k at t = 0 to a final position of de = (7.5 m) î + (15.0m)ị + (10.2 m)k at t = 13.0 s. The constant force applied by the machine on the package is } = (2.0N) î + (7.0N)ị + (7.0N). For that displacement, find (a) the work done on the package by...
04 Torce - (2.001 + 9.00J + J.JUK) N acts on a 2.90 kg object that moves in time interval 2.10 s from an initial posi- tion 7= (2.70i - 2.90j + 5.50k) m to a final position 72 = (-4.10i + 3.30j + 5.40k) m. Find (a) the work done on the object by the force in that time interval, (b) the average power due to the e Pare = 2 force during that time interval, and (c) the...
A force F = (3xi - 2xyj) N acts on an object as the object moves in the .x direction origin to .v 5.00 m (no motion in v-axis). The object has a mass m = 5.00 kg. Find the work done on the object by the force F. lf the object starts from rest, what is the final speed of the object at x = 5.00 m.?
physics problem
A force F = (9.60 N)i + (6.30 N)j + (7.00 N )* acts on a 9.40 kg mobile object that moves from an initial position of 0,- (2.40 m ) + (1.50m)) + (9.10 m ) to a final position of , - (2.00m) + (9.20m)) + (5.00m) in 5903. Find (a) the work done on the object by the force in the 5.90 s interval, (b) the average power due to the force during that interval,...
A force of F = 4.0 i + 10.0j Newtons moves an object through a displacement of d=-2.0 i +1.0j meters. The object is initially at rest. $ 16. How much work does the force do to the object? P=14.0i)+(10) N =(-2:01+10 g) m (1 kg) 8 J 17. How fast is the object at the end of the displacement? no friction mass 1.0 10kg
The force an ideal spring exerts on an object is given by Es=-la, where x measures the displacement of the object from its equilibrium (x = 0) position. If k= 60 Nm, how much work done by its force as the object moves from x = 0 m to x = -0.2 m? Select one: a. 2.4 J b. - 1.2 J C. 1.2 J d. Zero
+ A machine carries a 7.0 kg package from an initial position of d ; = (0.8 m) î + (0.77 m)ị + (0.26 m)k at t = 0 to a final position of de = (7.5 m) î + (15.0m)ị + (10.2 m)k at t = 13.0 s. The constant force applied by the machine on the package is } = (2.0N) î + (7.0N)ị + (7.0N). For that displacement, find (a) the work done on the package by...
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