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1) Force acting on the object is 6 N. The object is moving with acceleration of...
MULTIPLE CHOICE, Show your work in the space provided, Circle the correct answer 1. An object...
MULTIPLE CHOICE, Show your work in the space provided, Circle the correct answer 1. An object is moving with constant non-zero velocity. Which of the following statements about it must be true? As shown in the figure, a woman is straining to lift a large crate, but without success because it is too heavy. We denote the forces on the crate as follows: P is the magnitude of the upward force being exerted on the crate by the person, C...
A box remains at rest on an incline. The force of gravity acting on the box...
A box remains at rest on an incline. The force of gravity acting on the box is directed down and has a magnitude of 10.0 N. The angle the incline makes with the horizontal is 40.0 degrees - this is the maximum angle the incline can have before the box starts to slide. Calculate the magnitude of the normal force acting on the box. Calculate the magnitude of the force of static friction acting on the box. Calculate the value...
an object of mass 10kg rests on an inclined plane of 30 degree angle with horizontal....
an object of mass 10kg rests on an inclined plane of
30 degree angle with horizontal. a force P=200 N acts on it upward
along the inclined plane and moves it 20m. the coefficient of
friction UK=0.25.
2 4 x (cm) 6. An object of mass 10 kg rests on an inclined plane of 30 angle with horizontal. A force 0° angle with horizontal. A force P 200 N acts on it upward along the inclined plane and moves it...
The impulse of an object is 1 a. the product of (the peak force applied to...
The impulse of an object is 1 a. the product of (the peak force applied to an object) x (time interval during which the force acts). 2 b. the product of (the average force applied to an object) x (time interval during which the force acts). 3 c. the average force applied to an object for a period of 1 sec. 4 d. the peak force applied to an object for a period of 1 sec. 5 e. the total...
A horizontal force, F1=55 N, and a force, F2 = 17.6 N acting at an angle of θ with respect to the x-axis, as shown, are applied to a block of mass m=2.4 kg.
A horizontal force, F1=55 N, and a force, F2 = 17.6 N acting at an angle of θ with respect to the x-axis, as shown, are applied to a block of mass m=2.4 kg. The coefficient of kinetic friction between the block and the surface is μk = 0.2. The block is moving to the right.Part (a) Solve numerically for the magnitude of the normal force, FN in newtons, that acts on the block if θ = 30°. Part (b) Solve...
An object with mass m is dragged along a horizontal plane by a force acting along a rope attached to the object as shown below mass horizontal plane If the rope makes an angle θ with the plane, then...
An object with mass m is dragged along a horizontal plane by a force acting along a rope attached to the object as shown below mass horizontal plane If the rope makes an angle θ with the plane, then the magnitude of the force required to overcome friction is where g is the acceleration due to gravity and μ is a positive constant called the coefficient of riction, and we assume θ [0, π/2) Use the second derivative t tan...
A 110 N force, directed at an angle θ above a horizontal floor, is applied to...
A 110 N force, directed at an angle θ above a horizontal floor, is applied to a 24.0 kg chair sitting on the floor. If θ = 0°, what are (a) the horizontal component Fh of the applied force and (b) the magnitude FN of the normal force of the floor on the chair? If θ = 31.0°, what are (c)Fh and (d)FN? If θ = 55.0°, what are (e)Fh and (f)FN? Now assume that the coefficient of static friction...
1. What force is necessary to pull a 20.0-kg wooden box at a constant speed over...
1. What force is necessary to pull a 20.0-kg wooden box at a constant speed over a wooden floor at a constant speed over a wooden floor by a rope that makes an angle of 30° above the horizontal? The coefficient of kinetic friction (wood on wood) is 0.30. 2. A 50-kg balikbayan box rests on a horizontal floor. You exert a gradually increasing horizontal push on it and observe that the box just begins to move when your force...
A trunk with a weight of 200 N rests on the floor. The coefficient of static...
A trunk with a weight of 200 N rests on the floor. The coefficient of static friction between the trunk and the floor is 0.50, and the coefficient of kinetic friction is 0.26. (a) What is the magnitude of the minimum horizontal force with which a person must push on the trunk to start it moving? (b) Once the trunk is moving, what magnitude of horizontal force must the person apply to keep it moving with constant velocity? (c) If...
A horizontal force, F_1 = 55 N, and a force, F_2 = 10.1 N acting an...
A horizontal force, F_1 = 55 N, and a force, F_2 = 10.1 N acting an an angle of theta to the horizontal, are applied to a block o' mass m = 4.9 kg. The coefficient of kinetic friction between the block and the surface is muk = 0.2. The block is moving to the right. a. (Solve numerically for the magnitude of the normal force. F_N in Newtons. that acts on the block if theta = 30degree. b. Solve...
MULTIPLE CHOICE, Show your work in the space provided, Circle the correct answer 1. An object is moving with constant non-zero velocity. Which of the following statements about it must be true? As shown in the figure, a woman is straining to lift a large crate, but without success because it is too heavy. We denote the forces on the crate as follows: P is the magnitude of the upward force being exerted on the crate by the person, C...
A box remains at rest on an incline. The force of gravity acting on the box is directed down and has a magnitude of 10.0 N. The angle the incline makes with the horizontal is 40.0 degrees - this is the maximum angle the incline can have before the box starts to slide. Calculate the magnitude of the normal force acting on the box. Calculate the magnitude of the force of static friction acting on the box. Calculate the value...
an object of mass 10kg rests on an inclined plane of
30 degree angle with horizontal. a force P=200 N acts on it upward
along the inclined plane and moves it 20m. the coefficient of
friction UK=0.25.
2 4 x (cm) 6. An object of mass 10 kg rests on an inclined plane of 30 angle with horizontal. A force 0° angle with horizontal. A force P 200 N acts on it upward along the inclined plane and moves it...
The impulse of an object is 1 a. the product of (the peak force applied to an object) x (time interval during which the force acts). 2 b. the product of (the average force applied to an object) x (time interval during which the force acts). 3 c. the average force applied to an object for a period of 1 sec. 4 d. the peak force applied to an object for a period of 1 sec. 5 e. the total...
An object with mass m is dragged along a horizontal plane by a force acting along a rope attached to the object as shown below mass horizontal plane If the rope makes an angle θ with the plane, then the magnitude of the force required to overcome friction is where g is the acceleration due to gravity and μ is a positive constant called the coefficient of riction, and we assume θ [0, π/2) Use the second derivative t tan...
1. What force is necessary to pull a 20.0-kg wooden box at a constant speed over a wooden floor at a constant speed over a wooden floor by a rope that makes an angle of 30° above the horizontal? The coefficient of kinetic friction (wood on wood) is 0.30. 2. A 50-kg balikbayan box rests on a horizontal floor. You exert a gradually increasing horizontal push on it and observe that the box just begins to move when your force...
A trunk with a weight of 200 N rests on the floor. The coefficient of static friction between the trunk and the floor is 0.50, and the coefficient of kinetic friction is 0.26. (a) What is the magnitude of the minimum horizontal force with which a person must push on the trunk to start it moving? (b) Once the trunk is moving, what magnitude of horizontal force must the person apply to keep it moving with constant velocity? (c) If...
A horizontal force, F_1 = 55 N, and a force, F_2 = 10.1 N acting an an angle of theta to the horizontal, are applied to a block o' mass m = 4.9 kg. The coefficient of kinetic friction between the block and the surface is muk = 0.2. The block is moving to the right. a. (Solve numerically for the magnitude of the normal force. F_N in Newtons. that acts on the block if theta = 30degree. b. Solve...
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