Q: Two persons (one strong and one weaker) are pushing a 20 kg box across a frictionless floor. The box…
A: mass of box = 20 kg acceleration = 1 m/s2 Number of people = 2 Given : 2* force applied by weaker…
Q: Jayvee pushes a 30-kg rock along a frictionless road. If the rock accelerates at 3.7 m/s^2, the rock…
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Q: 5. A block with a weight of 50N is pulled up a ramp with a 125 N force. There is a frictional force…
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Q: Imagine that a 500 kg box is at rest on a surface. Assume that the surface has no friction that…
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Q: A rocket sled accelerates at a rate of 49.0 m/s2 . Its passenger has a mass of 75.0 kg. (a)…
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Q: An 800 kg elevator is going down and accelerates at 2.0 m/s^2. Find the tension (Newton) in the…
A: Given: The mass (m) of the elevator is 800 Kg. The lift is going down with an acceleration (a) of 2…
Q: 42. A woman stands on a scale in a moving elevator. Her mass is 60.0 kg, and the combined mass of…
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Q: a .104 kg model rocket accelerates at 45.9 m/s/s on takeoff. what is the upward thrust exerienced by…
A: mass = 104 kg acceleration = 45.9 m/s2thrust for an upward accelerating body = m(g+a) = 104 * (9.8 +…
Q: 1. Andrew (m = 60.0 kg) is skiing down a hill of ino There is a force of friction acting on him of…
A: Given:- The mass of the Andrew is m= 60.0 kg The inclined angle is 27o The force of friction acting…
Q: 5. A car is coasting to the right and slowing down. Neglect air resistance. Draw a diagram of forces…
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Q: Q1- A boy having a mass of 75 kg holds in his hands a bag of flour weighing 40 N. With what force…
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Q: 81. Calculate the force (in newtons) required to push a 40-kg wagon up a 10° incline (Figure 19). 40…
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Q: A red car stopped in a highway. Driver called for help. In the figure, the car is being pulled by 2…
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Q: A 32.3-kg crate rests on a horizontal floor, and a 68.8-kg person is standing on the crate.…
A: Given that a 32.3kg crate rests on a horizontal floor and 68.8kg person is standing on the crate…
Q: 600 N object is to be given an acceleration of 0.70 m/s2 .How large an ?unbalanced force must act…
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Q: A 1200-pound car is stopped in traffic on a hill at an incline of 22°. Determine the force that is…
A: Given Data : The mass of the car is given as m = 1200pound. The angle of inclination of the plane is…
Q: A Range Rover accelerates forward after being at rest at a traffic light for 3.0 s. The action…
A: According to Newton's third law action and reaction are equal and opposite .Also action and reaction…
Q: 12. Say you push on a box continuously with a certain force. Then you increase the mass by adding…
A: Concept The second law of motion:-The rate of change of linear momentum is directly proportional to…
Q: A table is placed on a rug. Then a book is placed on the table. What does the floor exert a normal…
A: The normal force is a contact force that balances the weight of the body on as surface.
Q: 3. Two people are pushing a disabled car. One exerts a force of 25ON, North, the other a force of…
A: As per bartleby guidelines, only question 3 is solved here because both questions are not part of a…
Q: A 1000-kg elevator is rising and its speed is increasing at 3 m/s2. The tension force of the cable…
A: Given :m=1000 kga=3 m/s2 (up)m→massa→acceleration
Q: The mass of a lion is 150 kg. Calculate the normal force of the ground pushing back up on the lion.…
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Q: Billy Joe pulled a large block of wood is across a frozen lake at a constant velocity. The block's…
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Q: Neglecting friction determine the horizontal force needed to accelerate a luggage weighing 250 N…
A: Weight (w) = 250 N Initial velocity (u) = 0 Final Velocity (v) = 0.5 m/s Time taken (t) = 2 s…
Q: A small car tows a large trailer behind it. The car speeds up to get on the freeway. Compare the…
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Q: A 1000 kg automobile is pulled by a horizontal line with a net force of 713 Newtons. (a) What is the…
A: Given: Mass (m) = 1000 kg Force (F) = 713 N
Q: Zara sits on an office chair with wheels on it. Meeral exerts a force of 330 N [right 25° down] onto…
A: Given Data Applied force on the chair is F=330 N Direction of the force is right 25° down…
Q: A boy has filled his toy box with all his favorite toys and it trying to drag it across the floor.…
A: Given Data: Mass of toy box is m= 35 kg Pulling Force F= 24 N Angle with horizontal Q=30° The free…
Q: 10. A steel bar hangs from a cable as a crane fifts it. What forces act on the bar? a. Gravity b.…
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Q: 10. A child pulls a wagon with a force of 12 N. The force of friction on the wagon is 3 N. What is…
A: Question no 9 requires previous question. 10. Fforward = 12 N Ffriction = 3 N Fnet = 12 N - 3 N = 9…
Q: A 5 N chair is at rest on the ground . a man applied 786 N of force downward by sitting down . If…
A: Given : Weight of the chair WC = 5 N Weight of the man WM = 786 N Required : Normal force acting on…
Q: knowing that objects can't exert a net force over themselves, use forces and Newton’s laws to…
A: if a car is moving on a rough surface then we say according to the Newton's first law of motion.. 1.…
Q: 10. A large crate is being pulled up by a rope. If the velocity of the create is constant, the sum…
A: True Reason Velocity of crate is constant v = constant Acceleration is defined as a = dv / dt a…
Q: Two children are arguing over a toy. One pulls on the toy with a force of 34 N[N]. The other pulls…
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Q: A 44.1-kg crate rests on a horizontal floor, and a 66.9-kg person is standing on the crate.…
A: (a)Normal force exerted by the floor on the crate is,
Q: mass of the object
A:
Q: A soccer ball kicked with a force of 14.1 N accelerates at 8 m/s 2 to the right. What is the mass of…
A: From Newton's second law: Force=Mass x accelarationF=ma
Q: To pull an old stump out of the ground, you and a friend tietwo ropes to the stump. You pull on it…
A:
Q: An object with a mass of 1500 g (grams) accelerates 10.0 m/s² when an 3. unknown force is applied to…
A: According to Newton's 2nd Law: F = ma ...... (1) (…
Q: A net force of 15 N is exerted on an encyclopedia to cause it to accelerate at a rate of 5 m/s2.…
A: The mass of the encyclopedia can be given as
Q: 15)A flatbed truck is carrying a 25.0-kg crate along a level road. The coefficient of static…
A:
Q: A 32.7-kg crate rests on a horizontal floor, and a 62.0-kg person is standing on the crate.…
A: (a) Newtons second law says that accelaration of an objetc is directly propotional to the net force.…
Q: A 22.8 kg crate rests on a scale. A worker pulls on a rope attached to a crate with a force of 150…
A:
Q: 20. A 24-kg block is being lowered by two massless ropes tied to the top corners of the block. When…
A: Applying Newton’s second law of motion.
Q: 78. A 292-kg motorcycle is accelerating up along a ramp that is inclined 30.0° above the horizontal.…
A: Mass, m = 292 kg Angle, A = 30 degree Force in upward, F = 3150 N air resistance, f = 250 N
Q: a 1000 kg automobile is pulled by a horizontal tow line with a net force of 950 n. what is the…
A: Given: Mass of the automobile M = 1000 Kg The force provided to pulling an automobile by neglecting…
Q: 150.0 Two forces of F1 = ( ) and F2= (- act on an object. Find the third force F3 that is needed to…
A: Option (a) is correct. Detailed solution is provided in the attached images.
Q: 108. The following diagram represents a car stopped on a hill. A C BV Horizontal Which vector best…
A: Vector that represents the weight of the car can be understood byHere the vector A is the Friction
When you sit on a chair, the resultant force on you is ___.
a. zero
b. depending on your weight
c. down
d. up
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- The leg and cast in Figure P4.40 weigh 220 N (w1). Determine the weight w2 and the angle needed so that no force is exerted on the hip joint by the leg plus the cast. Figure P4.40A block of mass m sits at rest on a rough inclined ramp that makes an angle with the horizontal. What must be true about normal force F on the block due to the ramp? OA. F= mg cos9 OB. F>mg OC.F>mg sin OD. F> mg cos OE. F=mg sin10) A push of magnitude P acts on a box of weight W as shown in the figure. The push is directed at an angle 0 below the horizontal, and the box remains a rest. The box rests on a horizontal surface that has some friction with the box. What is the friction force on the box due to the floor? P. W
- A block of mass M slides () along a rough (s) inclined surface (Ji zlaw) with a constant velocity. The inclination angle ( j) of the surface is 0 as shown in the adjacent figure ( l JKul). The coefficient (Jalea) of kinetic friction ( ) of the inclined surface is: A. cos'(e) B. tan(e) C. sin(20) D. cos(e) E. sin(0) V- Constant *Take g= 9.8 m/s²A box weighing 150.0N is on a horizontal floor. The coefficients of friction are 0.40 (static) and 0.30 (kinetic). Find the frictional force when: a. no additional force is applied. b. 25 Nforce is applied. c. 75 Nforce is applied.1. You are trying to lift a box of weight W' vertically off the floor. You apply a force, Fup, on the box trying to lift it but the box does not move. If N is the normal force on the block from the floor while you are trying to lift it, which relationship below must be true? a. N= W b. N+ Fup W d. N+ Fup = W
- A block of weight 25 kg is resting on an inclined surface with dimensions of 4 meter wide and 3 m high (See figure at the fight). Find the following: 5 m 3 m 37 4 m 5. Find the friction force Ff a. 19.96 N b. - 19.86 N c. 195.66 N d. 147.44 N 6. Find the coefficient of static friction us a. 0.75 b. 1.32 c. 0.79 d. 0.6A block of mass M slides () along a rough (s) inclined surface (dila au) with a constant velocity. The inclination angle ( ) of the surface is 0 as shown in the adjacent figure (sl ). The coefficient (Jales) of kinetic friction ( Hk) of the inclined surface is: A. cos?(0) B. cos(0) C. sin(20) D. tan(0) E. sin(0) M V= Constant 10 *Take g= 9.8 m/s?A gardener mows a lawn with an old- fashioned lawn mower. The handle of the mower makes an angle of 20° with the surface of the lawn. If a 219 N force is applied along the handle of 19 kg mower, what is the normal force exerted by the lawn on the mower? A. 100 N B. 640 N C. 111 N D. 310 N E. 250 N
- Q1/ Due to a jaw injury, a patient must wear a strap as in the figure below that produces a net upward force of 5.00 N on his chin. The tension is the same throughout the strap. To what tension must the strap be adjusted to provide the necessary upward ?forceA box is pulled at a constant speed, v, along a horizontal surface with a kinetic coefficient of friction less than 1. The person pulls with a constant horizontal force, F, on the box. The constant horizontal force the person pulls with: A. Has the same size as the weight of the box. B. Is greater than the weight of the box. C. Is less than the weight of the box. D. Is greater than the friction force.8. A block is at rest on a rough inclined plane and is connected to an object with the same mass as shown. The rope may be considered massless; and the pulley may be considered frictionless. The coeffi- cient of static friction between the block and the plane is us; and the coefficient of kinetic friction is k 0 A. g D. g - Hk sin(0) m a. What is the magnitude of the static frictional force acting on the block? B.m g [1 - sin(0)] C. mg D. mg cos(0) B. g - Hk cos(0) A. m g sin(0) E. mg [1 - cos(0)] b. If the rope were cut between the block and the pulley, what would be the magnitude of the acceleration of the block down the plane? C. g [sin(0) - μ cos(0)] sin(0)] c. If the mass of the suspended object is doubled, what will be the acceleration of the block up the plane? B. g [2 tan(0) - uk sin(0)] D. 2g [μ sin(0) - cos(0)] m E. g [tan (0) A. g [2 - μk sin(0)] C. g [2 cos(0) - μ sin(0)] E. g [2 sin(0) Hk Cos (0)]. -