Question

An 8.5-kg block is pushed along a horizontal rough surface by a 40-N force inclined at 20° with the horizontal. The coefficient of friction between the surface and block is 0.35. If the block has an initial velocity of 3.6 m/s and the force does 200 J of work on the block, find:

(a) The total distance moved by the block.

(b) The final velocity of the block.

Answer #1

A tension force of 165 N inclined at 25.0° above the horizontal
is used to pull a 31.0 kg shipping crate a distance of 5.10 m on a
rough surface. If the crate moves at a constant speed, find (a) the
work done by the tension force and (b) the coefficient of kinetic
friction between the crate and surface.
(a)
the work done by the tension force (in J)
J
(b)
the coefficient of kinetic friction between the crate and...

A 16.3 kg block is dragged over a rough, horizontal surface by a
constant force of 184 N acting at an angle of angle 34.9 ? above
the horizontal. The block is displaced 44 m and the coefficient of
kinetic friction is 0.131. 16.3 kg µ = 0.131 184 N 34.9 ? Find the
work done by the 184 N force. The acceleration of gravity is 9.8
m/s 2 . Answer in units of J. 005 (part 2 of 5)...

A tension force of 155 N inclined at 35.0° above the horizontal
is used to pull a 27.0 kg packing crate a distance of 4.60 m on a
rough surface. If the crate moves at a constant speed, find (a) the
work done by the tension force and (b) the coefficient of kinetic
friction between the crate and surface.
(a) the work done by the tension force (in J)
(b)the coefficient of kinetic friction between the crate and
surface

A 40 kg object is pushed upwards at constant velocity for 8 m
along a 30° inclined plane by the horizontal force F. The
coefficient of kinetic friction between the box and the surface is
0.4. Calculate the work done by,
a. The applied force
b. The frictional force
c. The gravitational force
d. The net force

18.
A 34.5 kg box initially at rest is pushed 5.75 m along a rough,
horizontal floor with a constant applied horizontal force of 150 N.
If the coefficient of friction between box and floor is 0.300, find
the following.
(a) the work done by the applied force
___J
(b) the increase in internal energy in the box-floor system due to
friction
___J
(c) the work done by the normal force
___J
(d) the work done by the gravitational force...

A 6.53-kg block initially at rest is pulled to the right along a
horizontal surface by a constant force of 125 N applied at an angle
θ above the horizontal. The coefficient of kinetic friction between
the block and the horizontal surface is 0.150. At what angle θ
above the horizontal surface should the force be applied to achieve
the largest possible speed after the block has moved 5.00 m to the
right?

A 6.0-kg block initially at rest is pulled to the right along a
horizontal surface with a force of 12 N. The force of kinetic
friction is 3N.
a. Draw a free-body diagram of the situation.
b. Find the work done by the 12 N force on the block to move the
block 3m?
c. Find the work done by the force of friction on the block when
the block was moved 3m?
d. Use the work-energy principle to find...

A 2 kg block is pushed up a 60 degree inclined with an initial
velocity of 4 m/s on a surface whose coefficient of friction is
0.1. How far does the block travel up the incline when it comes to
a complete stop?

A 6.20 kg block is pushed 9.50 m up a smooth 36.0 ∘inclined
plane by a horizontal force of 70.0 N . If the initial speed of the
block is 3.50 m/s up the plane.
Calculate the initial kinetic energy of the block.
Calculate the work done by the 70.0 N force.
Calculate the work done by gravity.
Calculate the work done by the normal force.
Calculate the final kinetic energy of the block.
Please explain

A
box kg meters with constant speed on a rough inclined plane whose
surface is 30 ° with the horizontal. What is the magnitude of the
work done by the friction force?
A
box of mass M = 5 kg slides 10 meters with constant speed on a
rough inclined plane whose surface is 30 ° with the horizontal.
What is the magnitude of the work done by the friction force?

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