15.5 Two forces, of magnitudes F1 = 80.0 N and F2 = 20.0 N , act...
15.5
Two forces, of magnitudes F1 = 80.0 N and F2 = 20.0 N , act in opposite directions on a block, which sits atop a frictionless surface, as shown in the figure. (Figure 1)Initially, the center of the block is at position xi = -1.00 cm . At some later time, the block has moved to the right, and its center is at a new position, xf = 1.00 cm
A.
Find the work W1 done on the block by the force of magnitude F1 = 80.0 N as the block moves from xi = -1.00 cm to xf = 1.00 cm .
Express your answer numerically, in joules.
B.
Find the work W2 done by the force of magnitude F2 = 20.0 N as the block moves from xi = -1.00 cm to xf = 1.00 cm .
Express your answer numerically, in joules.
C.
What is the net work Wnet done on the block by the two forces?
D.
Determine the changeKf−Ki in the kinetic energy of the block as it moves from xi = -1.00 cm to xf = 1.00 cm .
Homework Answers
Two forces, of magnitudes F1 = 80.0 N and F2 = 40.0 N , act in...
Two forces, of magnitudes F1 = 80.0 N and F2 = 40.0 N , act in
opposite directions on a block, which sits atop a frictionless
surface, as shown in the figure. (Figure 1)Initially, the center of
the block is at position xi = -4.00 cm . At some later time, the
block has moved to the right, and its center is at a new position,
xf = 5.00 cm .
PART 1)
Find the work W1 done on the...
Two forces, of magnitudes F1 = 95.0 N and F2 = 45.0 N , act in...
Two forces, of magnitudes F1 = 95.0 N and F2 = 45.0 N , act in opposite directions on a block, which sits atop a frictionless surface, as shown in the figure. (Figure 1) Initially, the center of the block is at position xi = -1.00 cm . At some later time, the block has moved to the right, and its center is at a new position, xf = 6.00 cm . Part A Find the work W1 done on...
Two forces, of magnitudes F1 = 100 N and F2 = 45.0 N , act in...
Two forces, of magnitudes F1 = 100 N and F2 = 45.0 N , act in opposite directions on a block, which sits atop a frictionless surface. Initially, the center of the block is at position xi = -4.00 cm . At some later time, the block has moved to the right, and its center is at a new position, xf = 1.00 cm . Part A Find the work W1 done on the block by the force of magnitude...
Two forces, F1 and F2, act on a 1.00 kg object where F1 = 20.0 N and F2 = 12.0 N.
Two forces, F1 and F2, act on a 1.00 kg object where F1 = 20.0 N and F2 = 12.0 N. (a) Find the acceleration in Figure P5.11a(b) Find the acceleration in Figure P5.11
Two known forces F1 = 2.95 N at 80.0° below the positive x-axis and F2 =...
Two known forces F1 = 2.95 N at 80.0° below the positive x-axis and F2 = 2.50 N at 40.0° below the negative x-axis are acting on an object. What is the magnitude of the third force F3 so that the acceleration of the object is zero?
Two forces, F1 and F2, act at a point
Two forces, F1 and F2, act at a point. F1 has a magnitude of 8.20 N and is directed at an angle of 61.0° above, the negative x axis in the second quadrant. F2 has a magnitude of 5.60 N and is directed at an angle of 53.4° below the negative x axis in the third quadrant.Part A What is the x component of the resultant force? Part B What is the y component of the resultant force? Part C What is the...
Two forces, F1 and F2, act on the m = 6.50 kg block shown in the...
Two forces, F1 and F2, act on the m = 6.50 kg block shown in the
drawing below.
The magnitudes of the forces are F1 = 64.7 N
and F2 = 31.7 N. θ = 73.5°. What is the
magnitude of the horizontal acceleration of the block?
Two forces, F1 and F2, act on the m = 7.29 kg block shown in the...
Two forces, F1 and
F2, act on the m = 7.29 kg
block shown in the figure above.
The magnitudes of the forces are F1 = 62.0 N
and F2 = 36.4 N. theta = 68.6 deg. What is the
magnitude of the horizontal acceleration of the block?
The two forces F1 and F2 shown in figure 1 act on a 23.0kg object on a frictionless tabletop. Suppose that F1 = 12.0 N and F2 = 18.8 N.
The
two forces F1 and F2 shown in figure 1 act on a 23.0kg object on a
frictionless tabletop. Suppose that F1 = 12.0 N and F2 = 18.8 N.Determine the magnitude of the net force on the object for the
diagram (a) in the figure.
Two forces, F1 and F2, act at a point, as shown in the picture. (Figure 1)...
Two forces, F1 and F2, act at a point, as
shown in the picture. (Figure 1) F1 has a magnitude of
8.40 N and is directed at an angle of a = 59.0 ? above the
negative xaxis in the second quadrant. F2 has a
magnitude of 6.40 N and is directed at an angle of b =
54.1 ? below the negative x axis in the third
quadrant.
a) What is the x component Fx of the resultant
force? Express...
Two forces, of magnitudes F1 = 80.0 N and F2 = 40.0 N , act in
opposite directions on a block, which sits atop a frictionless
surface, as shown in the figure. (Figure 1)Initially, the center of
the block is at position xi = -4.00 cm . At some later time, the
block has moved to the right, and its center is at a new position,
xf = 5.00 cm .
PART 1)
Find the work W1 done on the...
Two forces, F1 and F2, act on the m = 6.50 kg block shown in the
drawing below.
The magnitudes of the forces are F1 = 64.7 N
and F2 = 31.7 N. θ = 73.5°. What is the
magnitude of the horizontal acceleration of the block?
Two forces, F1 and
F2, act on the m = 7.29 kg
block shown in the figure above.
The magnitudes of the forces are F1 = 62.0 N
and F2 = 36.4 N. theta = 68.6 deg. What is the
magnitude of the horizontal acceleration of the block?
Two forces, F1 and F2, act at a point, as
shown in the picture. (Figure 1) F1 has a magnitude of
8.40 N and is directed at an angle of a = 59.0 ? above the
negative xaxis in the second quadrant. F2 has a
magnitude of 6.40 N and is directed at an angle of b =
54.1 ? below the negative x axis in the third
quadrant.
a) What is the x component Fx of the resultant
force? Express...
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