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The following force vector diagram shows all of the forces acting on a box. Which of...
In the figure is represented a box with all the forces acting on it. If the...
In the figure is represented a
box with all the forces acting on it. If the force of friction is
20.0 N, what is the net force acting on the box in magnitude and
direction? The mass of the box is 10.0 kg.
F-48.0 N Ftr mg
Now let's consider forces and Newton's Laws. Discuss the following. A box with a mass of...
Now let's consider forces and Newton's Laws. Discuss the following. A box with a mass of 100 kg is on a frozen lake (no friction). A force of 200 N to the left, and another force of 200 N to the right act on the box. Describe the motion of the box. Also, if a car with a constant speed is turning a level corner, is there a net force acting on the car?
1) Which term best describes an object's resistance to a change in motion A) Force B)...
1) Which term best describes an object's resistance to a change in motion A) Force B) Inertia C) Acceleration D) Resistance 2) Two skaters, Cathy and Mike, are standing on a frozen pond. Mike has twice the mass as Cathy. If Mike pushes to the left on Cathy, what can be said about the forces and accelerations on each person? A) Cathy experiences a force and acceleration to the left, while Mike experiences an equal force in the opposite direction....
16. Circle the correct che correct free body diagra for the forces acting on ting on...
16. Circle the correct che correct free body diagra for the forces acting on ting on this 17. The figure shows two forces acting on an object. They have magnitudes F1 = 4.5 N and F2 - 1.5 N. What third force will cause the object to be in equilibrium? (a) 3.0 N at 162° counterclockwise from Fl (b) 3.0 N at 108° counterclockwise from F1 (c) 4.7 N at 162° counterclockwise from F1 (d) 4.7 N at 108° counterclockwise...
Rachel is pushing a box across the floor while Jon, at the same time, is hoping...
Rachel is pushing a box across the floor while Jon, at the same time, is hoping to stop the box by pushing in the opposite direction. There is friction between the box and floor but you may ignore the effect of air resistance. Draw the force diagram for the box's motion and then choose the appropriate forces from the following list that should be included on the force diagram. Assume that the box is moving to the right during the...
Forces: Box on Flat Surface, a>0 As shown above, a 10 kg block on a table...
Forces: Box on Flat Surface, a>0
As shown above, a 10 kg block on a table is being acted on by a force, F1, and is moving to the left. The block has an acceleration of 1.8 m/s2 left. Determine the weight (FG) of the block , the normal force (FN) the table is exerting on the block, the kinetic friction (FK) between the block & the table, & the coefficient of kinetic friction (uk). F4 = 29 N. Ignore...
(a) An elevator of mass m moving upward has two forces acting on it: the upward force of tension in the cable and the d...
(a) An elevator of mass m moving upward has two forces acting on it: the upward force of tension in the cable and the downward force due to gravity. When the elevator is accelerating upward, which is greater, T or w? T w Both forces are equal. (b) When the elevator is moving at a constant velocity upward, which is greater, T or w? T w Both forces are equal. (c) When the elevator is moving upward, but the acceleration...
It is sometimes claimed that friction forces always slow an object down, but this is not...
It is sometimes claimed that friction forces always slow an object down, but this is not true. If you place a box of mass 3 kg on a moving horizontal conveyor belt, the friction force of the belt acting on the bottom of the box speeds up the box. At first there is some slipping, until the speed of the box catches up to the speed of the belt, which is 3 m/s. The coefficient of kinetic friction between box...
Identify all the forces acting on the objects, draw a pictorial representation and then draw a...
Identify all the forces acting on the objects, draw a pictorial representation and then draw a free body diagram for each of the following... 1. An elevator, suspended by a cable, speeds up as it moves upward from the ground. 2. Bobby straps a small model rocket to a block of ice and shoots it across the smooth surface of a frozen lake. Friction is negligible. 3. A tow rope pulls a skier up a snow covered hill at a...
5) An object is moving to the left at constant velocity. A constant force to the left is now applied to the object...
5) An object is moving to the left at constant velocity. A constant force to the left is now applied to the object. Which of the following is correct? A) The object continues to move to the left, and its speed increases. B) The object continues to move to the left with a constant speed. C) The object continues to move to the left, and its speed decreases. D) The object immediately stops and then begins moving to the right...
In the figure is represented a
box with all the forces acting on it. If the force of friction is
20.0 N, what is the net force acting on the box in magnitude and
direction? The mass of the box is 10.0 kg.
F-48.0 N Ftr mg
1) Which term best describes an object's resistance to a change in motion A) Force B) Inertia C) Acceleration D) Resistance 2) Two skaters, Cathy and Mike, are standing on a frozen pond. Mike has twice the mass as Cathy. If Mike pushes to the left on Cathy, what can be said about the forces and accelerations on each person? A) Cathy experiences a force and acceleration to the left, while Mike experiences an equal force in the opposite direction....
16. Circle the correct che correct free body diagra for the forces acting on ting on this 17. The figure shows two forces acting on an object. They have magnitudes F1 = 4.5 N and F2 - 1.5 N. What third force will cause the object to be in equilibrium? (a) 3.0 N at 162° counterclockwise from Fl (b) 3.0 N at 108° counterclockwise from F1 (c) 4.7 N at 162° counterclockwise from F1 (d) 4.7 N at 108° counterclockwise...
Forces: Box on Flat Surface, a>0
As shown above, a 10 kg block on a table is being acted on by a force, F1, and is moving to the left. The block has an acceleration of 1.8 m/s2 left. Determine the weight (FG) of the block , the normal force (FN) the table is exerting on the block, the kinetic friction (FK) between the block & the table, & the coefficient of kinetic friction (uk). F4 = 29 N. Ignore...
It is sometimes claimed that friction forces always slow an object down, but this is not true. If you place a box of mass 3 kg on a moving horizontal conveyor belt, the friction force of the belt acting on the bottom of the box speeds up the box. At first there is some slipping, until the speed of the box catches up to the speed of the belt, which is 3 m/s. The coefficient of kinetic friction between box...
5) An object is moving to the left at constant velocity. A constant force to the left is now applied to the object. Which of the following is correct? A) The object continues to move to the left, and its speed increases. B) The object continues to move to the left with a constant speed. C) The object continues to move to the left, and its speed decreases. D) The object immediately stops and then begins moving to the right...
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