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004r no 2) A box sits on a table. In this example: a) Identify two forces...
2. A box (M-8.5 kg) sits on a table (box #1). Another box (m=6.3 kg) sits...
2. A box (M-8.5 kg) sits on a table (box #1). Another box (m=6.3 kg) sits on a ramp at an angle of e= 30° (box #2). The boxes are connected to each other with a cable and pulley, as shown in the diagram to the right. The static coefficient of friction between box #1 and the table is 0.88, and the kinetic coefficient is 0.81. There is no friction between box # 2 and the ramp. (4 pts.) Draw...
The figure below shows a block with mass m = 5.3 kg pulled up a ramp...
The figure below shows a block with mass m = 5.3 kg pulled up a ramp inclined at an angle of 6 = 28° with a force of magnitude F = 33 N parallel to the ramp. m (a) If there is no friction between the block and the ramp, what is the magnitude of the block's acceleration (in m/s2)? 1.485 Draw a free-body diagram. What forces act on the block? Let the x-axis be parallel to the incline. What...
8. -14 points A box slides down a ramp with constant velocity. There is friction between...
8. -14 points A box slides down a ramp with constant velocity. There is friction between the box and the ramp. The ramp is raised 11.0° above the horizontal. AC (a) Which of the free body diagrams above is correct for this situation? A B (b) Which of these equations correctly shows Newton's Second Law for the components of forces that are perpendicular (normal) to the ramp? On-mgsin - 0 ncos - mg = 0 en- mgcost=0 nsing - mg...
Two blocks with equal mass m = 2.1 kg are connected by a string that passes...
Two blocks with equal mass m = 2.1 kg are connected by a string that passes over a pulley wheel. Block A sits on a level table, with friction acting between the block and ramp surfaces with coefficient of kinetic friction µk = 0.27. Block B is suspended below the pulley wheel, initially at a height h = 1.23 m above the ground. The system is released from rest. What is the final speed of both blocks in units of...
Forces and Newton's LAWS WU PHYS 1107 - General Physics I ) An 9.0 kg mass...
Forces and Newton's LAWS WU PHYS 1107 - General Physics I ) An 9.0 kg mass (M) is placed on a horizontal surface. A massless rope runs over a frictionless massless pulley which connects the mass M to a 6.5 kg mass (m) that hangs vertically. a) What is the acceleration of the vertical mass if the horizontal surface is frictionless? b) What is the tension in the rope if the horizontal surface is frictionless? Now assume that the horizontal...
The drawing shows two boxes resting on frictionless ramps. One box is relatively light and sits...
The drawing shows two boxes resting on frictionless ramps. One box is relatively light and sits on a steep ramp. The other box is heavier and rests on a ramp that is less steep. The boxes are released from rest at A and allowed to slide down the ramps. The two boxes have masses of 10 and 37 kg. If A and B are hA = 4.4 and hB = 1.7 m, respectively, above the ground, determine the speed of...
The drawing shows two boxes resting on frictionless ramps. One box is relatively light and sits...
The drawing shows two boxes resting on frictionless ramps. One box is relatively light and sits on a steep ramp. The other box is heavier and rests on a ramp that is less steep. The boxes are released from rest at A and allowed to slide down the ramps. The two boxes have masses of 11 and 31 kg. If A and B are 4.5 and 1.5 m, respectively, above the ground, determine the speed of (a) the lighter box...
The drawing shows two boxes resting on frictionless ramps. One box is relatively light and sits...
The drawing shows two boxes resting on frictionless ramps. One
box is relatively light and sits on a steep ramp. The other box is
heavier and rests on a ramp that is less steep. The boxes are
released from rest at A and allowed to slide down the ramps. The
two boxes have masses of 13 and 34 kg. If A and B are
hA = 4.3 and hB = 1.6 m,
respectively, above the ground, determine the speed of...
Problem 2 Two blocks (of masses m and m,) are connected by a massless string, as...
Problem 2 Two blocks (of masses m and m,) are connected by a massless string, as shown below. They are pulled up an incline of angle θ by a constant force applied to m2, which we'll call F., for convenience. (Note that, is the tension in the rope held by the woman and is directed parallel to the incline.) There is no friction between m, and the incline, but there is kinetic friction (of coefficient ) between m, and the...
3. A smaller 1-kg block is pushed horizontally against a larger 9-kg block by a force...
3. A smaller 1-kg block is pushed horizontally against a larger 9-kg block by a force F, as shown below. The coefficient of static friction between the two blocks is 0.20, however the ground that the larger block sits on is frictionless. a. Draw a complete free-body diagram for each block. Hint: remember that the blocks exert forces on each other because they are in contact, and do not forget Newton's 3rd law. (10pts) b. What minimum force F is...
2. A box (M-8.5 kg) sits on a table (box #1). Another box (m=6.3 kg) sits on a ramp at an angle of e= 30° (box #2). The boxes are connected to each other with a cable and pulley, as shown in the diagram to the right. The static coefficient of friction between box #1 and the table is 0.88, and the kinetic coefficient is 0.81. There is no friction between box # 2 and the ramp. (4 pts.) Draw...
The figure below shows a block with mass m = 5.3 kg pulled up a ramp inclined at an angle of 6 = 28° with a force of magnitude F = 33 N parallel to the ramp. m (a) If there is no friction between the block and the ramp, what is the magnitude of the block's acceleration (in m/s2)? 1.485 Draw a free-body diagram. What forces act on the block? Let the x-axis be parallel to the incline. What...
8. -14 points A box slides down a ramp with constant velocity. There is friction between the box and the ramp. The ramp is raised 11.0° above the horizontal. AC (a) Which of the free body diagrams above is correct for this situation? A B (b) Which of these equations correctly shows Newton's Second Law for the components of forces that are perpendicular (normal) to the ramp? On-mgsin - 0 ncos - mg = 0 en- mgcost=0 nsing - mg...
Forces and Newton's LAWS WU PHYS 1107 - General Physics I ) An 9.0 kg mass (M) is placed on a horizontal surface. A massless rope runs over a frictionless massless pulley which connects the mass M to a 6.5 kg mass (m) that hangs vertically. a) What is the acceleration of the vertical mass if the horizontal surface is frictionless? b) What is the tension in the rope if the horizontal surface is frictionless? Now assume that the horizontal...
The drawing shows two boxes resting on frictionless ramps. One
box is relatively light and sits on a steep ramp. The other box is
heavier and rests on a ramp that is less steep. The boxes are
released from rest at A and allowed to slide down the ramps. The
two boxes have masses of 13 and 34 kg. If A and B are
hA = 4.3 and hB = 1.6 m,
respectively, above the ground, determine the speed of...
Problem 2 Two blocks (of masses m and m,) are connected by a massless string, as shown below. They are pulled up an incline of angle θ by a constant force applied to m2, which we'll call F., for convenience. (Note that, is the tension in the rope held by the woman and is directed parallel to the incline.) There is no friction between m, and the incline, but there is kinetic friction (of coefficient ) between m, and the...
3. A smaller 1-kg block is pushed horizontally against a larger 9-kg block by a force F, as shown below. The coefficient of static friction between the two blocks is 0.20, however the ground that the larger block sits on is frictionless. a. Draw a complete free-body diagram for each block. Hint: remember that the blocks exert forces on each other because they are in contact, and do not forget Newton's 3rd law. (10pts) b. What minimum force F is...
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