Homework Answers
Consider a box on an inclined plane. The inclination angle relative to the horizontal is θ...
Consider a box on an inclined plane. The inclination angle relative to the horizontal is θ = 30 ° and the mass of the body is 14.9 kg. What is the minimum coefficient of static friction required to keep the body from sliding down? Consider a box on an inclined plane. The inclination angle relative to the horizontal is θ = 30 ° and the mass of the body is 14.9 kg. What is the minimum coefficient of static friction...
1. The figure shows a box with mass m1 on a frictionless plane inclined at angle...
1. The figure shows a box with mass m1 on a
frictionless plane inclined at angle ?1. The
box is
connected via a cord of negligible mass to another
box with mass m2 on a frictionless plane
inclined at
angle ?2 (> ?1). The pulley
is frictionless and has
negligible mass and assumes that the setup is on the
surface of the earth.
a) Provide free-body force diagram for both boxes.
b) What is the acceleration in terms of m1,...
A mass m = 1 kg slides down a θ = 30◦ inclined plane from a...
A mass m = 1 kg slides down a θ = 30◦ inclined plane from a
height of 5 m. At the bottom of the incline, it collides with
another mass M = 3 kg, and the latter is initially at rest as shown
in Fig. 3. The surface to the right of the inclined plane on which
the 3 kg (green) mass sits is horizontal.
(a) The inclined surface is frictionless. Conserve energy to
find the velocity of the...
Consider a box on an inclined plane. The inclination angle relative to the horizontal is θ...
Consider a box on an inclined plane. The inclination angle relative to the horizontal is θ = 30 ° and the mass of the body is 14.9 kg. What is the minimum coefficient of static friction required to keep the body from sliding down?
1) Consider a box of mass m sitting on an inclined plane. The inclined plane makes...
1) Consider a box of mass m sitting on an inclined plane. The inclined plane makes an angle θ with the horizontal and the coefficient of static friction between the box and the surface is μ. What minimal condition must exist if the box is to accelerate down the incline? A) mgsinθ < μFn B) mgsinθ = μFn C) mgsinθ > μFn D) mgcosθ > π 2) You observe a packing crate sliding down a long, inclined ramp at constant...
a box with a mass of m = 3.25 kg on a surface inclined at an...
a box with a mass of m = 3.25 kg on a surface inclined at an angle of 35.0°. The coefficient of static friction between the box and the surface is 0.330. Find the minimum magnitude of the force F (in N), applied to the box in a direction perpendicular to the surface, that will prevent the box from sliding down the surface.
3. (20 points) A block m = 5.00 kg is pushed up an inclined plane of angle 60.0°, as shown in Figure 4. There is fricti...
3. (20 points) A block m = 5.00 kg is pushed up an inclined plane of angle 60.0°, as shown in Figure 4. There is friction between the surface of the block and plane. The coefficient of static friction is his = 0.400, and the coefficient of kinetic friction is pk = 0.300. (a) Find the minimum applied force F such that the block remains on the plane without moving. (b) If F = 60.0 N and the length of...
8. A box of mass m =22 kg is at rest on a ramp inclined at...
8. A box of mass m =22 kg is at rest on a ramp inclined at 45° to the horizontal. The coefficients of friction between the box and the ramp are Us = 0.78 and Uk = 0.65. (a) Determine the magnitude of the largest force that can be applied upward, parallel to the ramp, if the box is to remain at rest. (b) Determine the magnitude of the smallest force that can be applied onto the top of the...
A loaded penguin sled weighing 89.0 N rests on a plane inclined at angle θ = 21.0° to the...
A loaded penguin sled weighing 89.0 N rests on a plane inclined at angle θ = 21.0° to the horizontal (see the figure). Between the sled and the plane, the coefficient of static friction is 0.260, and the coefficient of kinetic friction is 0.130. (a) What is the minimum magnitude of the forceF→, parallel to the plane, that will prevent the sled from slipping down the plane? (b) What is the minimum magnitude F that will start the sled moving up the plane? (c) What value of F is required to move the sled up...
A block of mass 1.00 kg and the surface of an inclined plane have a coefficient...
A block of mass 1.00 kg and the surface of an inclined plane have a coefficient of static friction of 0.7. If the angle of the incline is 37 degrees, will the block slide down the plane? Include a force vector diagram. State all equations you are using, and show your solution.
1. The figure shows a box with mass m1 on a
frictionless plane inclined at angle ?1. The
box is
connected via a cord of negligible mass to another
box with mass m2 on a frictionless plane
inclined at
angle ?2 (> ?1). The pulley
is frictionless and has
negligible mass and assumes that the setup is on the
surface of the earth.
a) Provide free-body force diagram for both boxes.
b) What is the acceleration in terms of m1,...
A mass m = 1 kg slides down a θ = 30◦ inclined plane from a
height of 5 m. At the bottom of the incline, it collides with
another mass M = 3 kg, and the latter is initially at rest as shown
in Fig. 3. The surface to the right of the inclined plane on which
the 3 kg (green) mass sits is horizontal.
(a) The inclined surface is frictionless. Conserve energy to
find the velocity of the...
3. (20 points) A block m = 5.00 kg is pushed up an inclined plane of angle 60.0°, as shown in Figure 4. There is friction between the surface of the block and plane. The coefficient of static friction is his = 0.400, and the coefficient of kinetic friction is pk = 0.300. (a) Find the minimum applied force F such that the block remains on the plane without moving. (b) If F = 60.0 N and the length of...
8. A box of mass m =22 kg is at rest on a ramp inclined at 45° to the horizontal. The coefficients of friction between the box and the ramp are Us = 0.78 and Uk = 0.65. (a) Determine the magnitude of the largest force that can be applied upward, parallel to the ramp, if the box is to remain at rest. (b) Determine the magnitude of the smallest force that can be applied onto the top of the...
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