Homework Answers
When any spring is streached or compressed it opposes the force which is responsible for the action. According to Hook's law
F=kx
Where F=Force of spring, k=spring constant, x=change in spring length.
As we can see spring is streched to the right side so spring will apply a force to the left on the hand.Answer iis option 2.Answer
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One or more external forces, large enough to be easily measured, are exerted on each object...
contract forces
One or more external forces are exerted on each object enclosed in a dashed box shown in the figure below. Identify the reaction to each of these forces. (Assumethat (a), (b) and (c) occur on Earth while (c), (d) and (e) occur far from any outside gravitational influences. Select all that apply.)(a) the spring exerts a force(b) the wagon exerts a forcea)to the right on the wallb)to the left on the wall c)to the left on the hand d)downward on...
One ar more externa trces sre werted on wech otded ndhbr actson toe fore (lsuime ther...
One ar more externa trces sre werted on wech otded ndhbr actson toe fore (lsuime ther 0, 0 nd to eur n r below. while (C), (6) and (e) occur far from any eutside gravitational influences Select all that apply) Contact forces Field forces ㄖ (a) the spring exerts & force D to the right on the hand to the left on the wall to the left on the hand to the right on the wall oownward on the Earth...
Problem 1: For each case, draw and label the forces (not components) acting on the object. Each arrow must start on the white dot and be straight. Then write one or more equations relating the fo...
Problem 1: For each case, draw and label the forces (not components) acting on the object. Each arrow must start on the white dot and be straight. Then write one or more equations relating the forces on the object. Finally, rank the three forces in the blanks. Acceptable labels are Fw (or Fe or mg), Fx, F Fr, and Papplied Net Force Equation: Balanced Forces Equation: Rank the forces: Balanced Forces Equation: Balanced Forces Equation Rank the forces:_ Car slows...
Two ropes have one end each attached to a wall and ceiling joint with the other...
Two ropes have one end each attached to a wall and ceiling joint with the other two ends hooked to a small ring. If there is a third rope shown below Rope 1 Rope 2 0 = 30.0 degrees Rope 3 1.0 X 102N Part A - What is the tension in the first rope? VO AED ? Newtons Submit Request Answer Part B - What is the tension on the second rope? ΟΙ ΑΣΦ ? Newton Submit Request Answer...
Part A - Determining the forces in three specified members of the truss Determine the forces...
Part A - Determining the forces in three
specified members of the truss
Determine the forces in members CD, DH, and
GH.
Express the magnitudes of the forces in pounds to three
significant figures. Separate your answers with commas.
Part B - The Sense of the Forces
State if the members considered in part A are in tension or
compression.
Complete each sentenc
e by dragging the appropriate word into the blank. The words can
be used more than once....
Learning Goal: Part A - Force with a known deflection To solve for forces in statically...
Learning Goal: Part A - Force with a known deflection To solve for forces in statically indeterminate bars with axial loads. When the number of reaction forces is greater than the number of equilibrium equations, the system is slatically indeterminate. Solving for the reactions requires some additional equations. These additional equations come from considering compatibility relationships (.e., continuity of displacements and relationships between displacements and loads). For an axially loaded member, the compatibility relationship for the deflections can be written...
Learning Goal: To solve for forces in statically indeterminate bars with axial loads. Consider a new...
Learning Goal: To solve for forces in statically indeterminate bars with axial loads. Consider a new structure, where the thickness of the bar is reduced to 32.5 mm from C to B (it is still square) (Figure 2) and <= 3.75 m. If the applied load is F - 370 kN , then what is the reaction at ? Let a positive reaction act to the right. The total length is still 6 m Express your answer with appropriate units...
Period Date Name 39 Solitary Seesaw Purpose To identify the forces, lever arms, and torques for a system in rota...
Period Date Name 39 Solitary Seesaw Purpose To identify the forces, lever arms, and torques for a system in rotational 2 knife-edge lever clamps set of slotted masses 2 mass hangers fulcrum string or masking tape Gravity pulls on every part of an object. The average position of these pulls (the weight) is the center of gavity (CG) of the object. The sum of all these pulls is the weight of the object. The entire weight of the object is...
Several students were tested for reaction times (in thousandths of a second) using their right and left hands. (Each value is the elapsed time between the release of a strip of paper and the instan...
Several students were tested for reaction times (in thousandths of a second) using their right and left hands. (Each value is the elapsed time between the release of a strip of paper and the instant that it is caught by the subject.) Results from five of the students are included in the graph to the right. Use a 0.10 significance level to test the claim that there is no difference between the reaction times of the right and left hands....
on is a short free short free-response question. Show your work for each part of the...
on is a short free short free-response question. Show your work for each part of the 2R Note: Figures not drawn to scale. An astronaut stands on the surface of a spherical asteroid that has a weak gravitational telo but no atmosphere. The astronaut throws a small rock straight upward, as shown at left above The rock travels upward until it reaches a distance of 2R from the center of the asteroid, where R is the asteroid's radius, and then...
One ar more externa trces sre werted on wech otded ndhbr actson toe fore (lsuime ther 0, 0 nd to eur n r below. while (C), (6) and (e) occur far from any eutside gravitational influences Select all that apply) Contact forces Field forces ㄖ (a) the spring exerts & force D to the right on the hand to the left on the wall to the left on the hand to the right on the wall oownward on the Earth...
Problem 1: For each case, draw and label the forces (not components) acting on the object. Each arrow must start on the white dot and be straight. Then write one or more equations relating the forces on the object. Finally, rank the three forces in the blanks. Acceptable labels are Fw (or Fe or mg), Fx, F Fr, and Papplied Net Force Equation: Balanced Forces Equation: Rank the forces: Balanced Forces Equation: Balanced Forces Equation Rank the forces:_ Car slows...
Two ropes have one end each attached to a wall and ceiling joint with the other two ends hooked to a small ring. If there is a third rope shown below Rope 1 Rope 2 0 = 30.0 degrees Rope 3 1.0 X 102N Part A - What is the tension in the first rope? VO AED ? Newtons Submit Request Answer Part B - What is the tension on the second rope? ΟΙ ΑΣΦ ? Newton Submit Request Answer...
Part A - Determining the forces in three
specified members of the truss
Determine the forces in members CD, DH, and
GH.
Express the magnitudes of the forces in pounds to three
significant figures. Separate your answers with commas.
Part B - The Sense of the Forces
State if the members considered in part A are in tension or
compression.
Complete each sentenc
e by dragging the appropriate word into the blank. The words can
be used more than once....
Learning Goal: Part A - Force with a known deflection To solve for forces in statically indeterminate bars with axial loads. When the number of reaction forces is greater than the number of equilibrium equations, the system is slatically indeterminate. Solving for the reactions requires some additional equations. These additional equations come from considering compatibility relationships (.e., continuity of displacements and relationships between displacements and loads). For an axially loaded member, the compatibility relationship for the deflections can be written...
Learning Goal: To solve for forces in statically indeterminate bars with axial loads. Consider a new structure, where the thickness of the bar is reduced to 32.5 mm from C to B (it is still square) (Figure 2) and <= 3.75 m. If the applied load is F - 370 kN , then what is the reaction at ? Let a positive reaction act to the right. The total length is still 6 m Express your answer with appropriate units...
Period Date Name 39 Solitary Seesaw Purpose To identify the forces, lever arms, and torques for a system in rotational 2 knife-edge lever clamps set of slotted masses 2 mass hangers fulcrum string or masking tape Gravity pulls on every part of an object. The average position of these pulls (the weight) is the center of gavity (CG) of the object. The sum of all these pulls is the weight of the object. The entire weight of the object is...
on is a short free short free-response question. Show your work for each part of the 2R Note: Figures not drawn to scale. An astronaut stands on the surface of a spherical asteroid that has a weak gravitational telo but no atmosphere. The astronaut throws a small rock straight upward, as shown at left above The rock travels upward until it reaches a distance of 2R from the center of the asteroid, where R is the asteroid's radius, and then...
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