Question

- A 3.00 kg block that has a coefficient of kinetic friction of
0.350 and is initially moving at a constant velocity of to the
right. A 75.0 newton force is then applied to the block, toward the
right, at an angle of 20
^{0}above the horizontal. Find the following:

a. Free body diagram.

b. The x and y components of the applied force.

c. The frictional force on the block.

d. The acceleration of the block.

Answer #1

A 3.00 kg block that has a coefficient of kinetic friction of
0.350 and is initially moving at a constant velocity of to the
right. A 75.0 newton force is then applied to the block, toward the
right, at an angle of 200 above the horizontal.
a) Free body diagram.
b) The x and y components of the applied force.
c) The frictional force on the block.
d) The acceleration of the block.

A 3.00 kg block that has a coefficient of kinetic friction of
0.350 and is initially moving at a constant velocity of to the
right. A 75.0 newton force is then applied to the block, toward the
right, at an angle of 200 above the horizontal.
Find the following: a. Free body diagram. b. The x and y
components of the applied force. c. The frictional force on the
block. d. The acceleration of the block.

A horizontal force of 60.0 N is applied to a 3.00 kg block as
the block slides a distance of 0.500 m up a ramp. The ramp is
inclined at an angle of 30.0◦ and the coefficient of kinetic
friction between the ramp and the block is 0.600. If the block is
initially at rest, how fast is it moving at the end of the
displacement? Please make answer very detailed

A 6.0-kg crate is pulled up a ramp by a 50-Newton force. The
ramp makes a 30o angle with the horizontal, and the coefficient of
kinetic friction between the crate and the ramp is 0.30.
a) Draw a free body diagram
b) What is the magnitude of the kinetic frictional force?
c) What is the acceleration of the crate?

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 4.82 kg block located on a horizontal frictionless floor is
pulled by a cord that exerts a force F=12.4N at an angle
theta=25.0degrees above the horizontal, as shown. What is the
magnitude of the acceleration of the block when the force is
applied?
What is the horizontal speed of the block 4.30 seconds after it
starts moving?
What is the magnitude of the normal force acting on the block
when the force F is acting on it?
If, instead,...

1. A 40 kg crate is moving on a level surface. The kinetic
frictional coefficient is 0.447. What horizontalforce is needed to
cause the crate to accelerate at 4.1 m/s^2
2. A repressed factory worker pulls a box with mass 102 kg on a
horizontal surface with a constant velocity of 3.5 m/s. The
coefficient of kinetic friction between the box and the surface is
0.2. a) What force must he apply when he pulls up at an angle of...

If the coefficient of kinetic friction between an object with
mass MM = 3.00 kg and a flat surface is μk=μk= 0.460, what force
will cause the object to accelerate at 2.50 m/s2? The force is
applied at an angle of θθ = 30.0° (see the figure below).
1)
Calculate the force.

As shown in Figure 1, a block (mass: 2.4 kg) is initially at
rest near the top of an inclined plane, oriented at a 25° angle
above the horizontal. The coefficients of static and kinetic
friction along the incline are 0.2 and 0.1, respectively.
(a) Just after the block is released from rest, draw a free-body
diagram for it. (Assume that the block is moving after being
released from rest.)
(b) Determine the magnitude of the normal force acting on...

A 5.0 kg block is
placed at rest on a 30 degree incline. The coefficient of static
friction is 0.7, and the coefficient of kinetic friction is lower
than that.
a) Draw a free body
diagram of the block including all force components and determine
the net force.
b) Will the block
begin to slide or will it remain at rest?

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