1. A block of mass m = 5.0 kg is pulled 4.0 m along a horizontal floor by a cord that exerts a tension force of magnitude F = 65 Nat an angle 0 25.0°. The coefficient of kinetic friction between the block and floor is 0.25(a). What is the work done on the block by the tension force F(b) What is the work done on the block by the normal force.(c) What is the work done on the block by the gravitational force(d) What is the work done on the block by the kinetic friction force(e) What is the net (total work) done on the blockm

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Asked Nov 11, 2019
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questions b,c and d please!

1. A block of mass m = 5.0 kg is pulled 4.0 m along a horizontal floor by a cord that exerts a tension force of magnitude F = 65 N
at an angle 0 25.0°. The coefficient of kinetic friction between the block and floor is 0.25
(a). What is the work done on the block by the tension force F
(b) What is the work done on the block by the normal force.
(c) What is the work done on the block by the gravitational force
(d) What is the work done on the block by the kinetic friction force
(e) What is the net (total work) done on the block
m
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1. A block of mass m = 5.0 kg is pulled 4.0 m along a horizontal floor by a cord that exerts a tension force of magnitude F = 65 N at an angle 0 25.0°. The coefficient of kinetic friction between the block and floor is 0.25 (a). What is the work done on the block by the tension force F (b) What is the work done on the block by the normal force. (c) What is the work done on the block by the gravitational force (d) What is the work done on the block by the kinetic friction force (e) What is the net (total work) done on the block m

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Expert Answer

Step 1

Given,

Mass of block m=5 Kg
Distance moved,d =4 m
Tension Force, F =65 N
Angle between force and horizontal,0 25°
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Mass of block m=5 Kg Distance moved,d =4 m Tension Force, F =65 N Angle between force and horizontal,0 25°

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Step 2

Forces acting on the block can be shown in free body diagram as follows,

F
в-250
d=6 m
mg
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F в-250 d=6 m mg

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Step 3

Work done by any force (F) acti...

W Fd
W Fdcose
0 Angle between force and displacement
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W Fd W Fdcose 0 Angle between force and displacement

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