10.  An object weighing 4.6 N falls from rest subject to a frictional drag force given by Fdrag = bv2, where v is the speed of the object and b = 3.4 N ∙ s2/m2.  What terminal speed will this object approach? (Give answer to the nearest 0.01 m/s).

Q: Suppose you move a 15-kg crate by pulling upward on the chain at an angle of 45 degrees above the…

A:

Q: 16. A net force of 15kg object is moving with an acceleration of 5 m/s². The net force acting on the…

A: Q16.  Using Newton's 2nd law: F_net = m*a m = mass of object = 15 kg a = acceleration = 5 m/s^2, So…

Q: A mass of 2.0 kg is suspended from the ceiling of an elevator by a rope. What is the tension in the…

A:

Q: Time left 0:28:39 Question 4. An elevator cab and its load have a combined mass of 1.1 kg. When the…

A: m = 1.1 kg vi = 2 m/s vf = 0 m/s ∆y =5.4 m   m→Total mass of the elevator cab with the load vi…

Q: If a body weighs 12N on the surface of the earth, how much will it weigh on the surface of the moon…

A: Here, the weight of the body is 12N. The force of gravity of moon is 1/6 times that of Earth.

Q: A 151 kg crate is placed on an adjustable inclined plane. If the crate slides down the incline with…

A:

Q: An elevator weighing 2 x 105 N is supported by a steel cable. What is the tension in the cable when…

A: Given data: Weight of elevator (W) = 2 × 105 N Acceleration (a) = 3 m/s2 Required: Tension in the…

Q: A block of weight 75N is on a inclined surface with angle of 18⁰ with the horizontal. what is its…

A:

Q: compute the normal acceleration when he reaches the bottom of the profile.(m/s^2)   GIVEN: weight…

A: Consider given data as below. Weight of the man, m=67.50 kg Velocity equation, v2=206.33-y Here, the…

Q: When objects with a mass of 5kg and 1kg are released in a frictionless inclined plane, what will be…

A: Given data: The mass of the block hanging down, m1=1 kg. The mass of block on the plane, m2=5 kg.…

Q: A 250 kg crate is placed on an adjustable inclined plane. If the crate slides down the incline with…

A:

Q: A 30.0-kg object experiences a drag force due to air resistance with a magnitude proportional to the…

A: Given: Mass of object = 30 kg v =70 m/s a =4 m/s2

Q: a 10 kg body is suspended vertically by a cord. the tension on the cord is A. 5N B. 10 N C. 98 N D.…

A:

Q: Suppose you move a 15-kg crate by pulling upward on the chain at an angle of 45 degrees above the…

A:

Q: The force in Ibf necessary to accelerate a weight of 20 Ibf at a rate of 60 ft/sec2 vertically…

A: weight = 20 lbf acceleration = 60 ft/s2

Q: 5.50 kg crate is suspended from the end of a short ertical rope of negligible mass. An upward force…

A: Given: Mass of the crate, m=5.5 kg Position of the crate, y(t) = 2.80t+0.610t3  find: The magnitude…

Q: 4. What is the magnitude of the force needed to keep a 60.-newton rubber block moving across level,…

A: The block is moving with constant speed. Therefore, from newton’s first law of motion the net force…

Q: 12) If a person weighs 882 N on the surface of the earth, at what altitude above the earth's surface…

A:

Q: 2) A Saturn V rocket has a mass of 2.70 x 10 kg and a thrust of 3.30 x 10' N. What is its initial…

A: Part (2): Given: The mass of the rocket is 2.7x106 kg. The thrust force on the rocket is 3.3x107 N.

Q: 6. A block is pushed up a frictionless 30° incline by an applied force as shown in the figure. If F…

A: Given : F = 25 N M = 3 kg  θ = 30°

Q: Determine the weight on an object when the mass of the object is 50 kg and the acceleration due to…

A: Determine the weight on an object when the mass of the object is 50 kg and the acceleration due to…

Q: A 9 kg object undergoes an acceleration given by a (4î- 3j) m/s? The magnitude of the resultant…

A:

Q: A block weighing 100N is being pulled along the horizontal plane by a force P having the slope of 5…

A:

Q: Compute the normal acceleration when he reaches the bottom of the profile. (m/s^2) Given weight of…

A: Consider given data as below. Weight of the man, m=67.50 kg Velocity equation, v2=206.33-y Here, the…

Q: 10. Two blocks, each of mass m= 3.50 kg, are hung from the ceiling of an elevator as in the Figure…

A:

Q: How much tension must a cable withstand if it is used to accelerate a 12 Kg box at 1.2 m/s2? Assume…

A:

Q: On Jupiter, the acceleration due to gravity is 26.7 m/s^2. What is the weight of a box of potatoes…

A: The expression for the weight of the object on Jupiter is,

Q: 18. Which of the following scenarios demonstrates Newton's 2nd Law? A. A planet exerts an attractive…

A: The correct answer is option (A).

Q: 14. Compute the minimum distance that a truck slides on a horizontal asphalt road if it is traveling…

A: Given: Mass of the truck m=8000 kg, Initial velocity vi=20 m/s, Coefficient of sliding friction…

Q: A mass of 2.3 kg lies on a frictionless table, pulled by another mass of 4.3 kg under the influence…

A:

Q: 19. An elevator starts from rest and acquires an upward velocity of 3m/sec. in a distance of 6m. The…

A: Given: The initial velocity of the elevator is 0 m/s. The final velocity of the elevator is 3 m/s in…

Q: 1. An object on a rope is lowered at constant speed. Which is true? A. The rope tension is greater…

A: Since object on rope is lowered at constant speed therefore acceleration will zero

Q: An upward force T = 74 N is used to pull a mass m = 1.6 kg box vertically upwards. Determine the…

A:

Q: 10. Refer to Figure. Block A has a mass of 3.00 kg, block B has a mass of 5.00 kg and block C has a…

A: Write the expression for sum of the forces for all the three blocks.

Q: A 45.0-kg person steps on a scale in an elevator. The scale reads 430 N. What is the acceleration of…

A: The forces acting on the system are the weight of the person acting downward and the normal force…

Q: 12. What time does it take a box with mass mi = 10 kg to go down a distance s = 1.5 m on an inclined…

A: Given: Mass of box, m1=10 kg Mass of bucket, m2=7 kg Distance, s=1.5 m Angle, θ=25° Free Body…

Q: 7.00 kg 3.00 kg 7.00 kg What is the force by tension above the single 7kg bucket hanging on the…

A: Given data: The mass of left side is mL=7 kg. The total mass of right side is mR=3 kg+7 kg=10 kg.

Q: Suppose you move a 15-kg crate by pulling upward on the chain at an angle of 45 degrees above the…

A:

Q: Blake's true weight is 600 N (magnitude), and his apparent weight at a certain time is 800 N…

A:

Q: 6.The magnitude of the apparent weight of 55.0 kg man in an elevator moving at 0.930 m/s [up] is: а.…

A: Given that - Mass of the man Acceleration of the elevator which is  moving in upward direction To…

Q: As a raindrop falls through the atmosphere, its speed initially increases as it falls toward the…

A: Before the raindrop reaches its terninal speed ,the magnitude of its acceleration decrease

Q: 10. Which will cause more damage, a truck weighing 700 kg travelling at a speed of 60 km/h or a…

A: Given,for truck 1m1 = 700 kgv1 = 60 km/h = 16.67 m/sFor truck 2m2 = 300 kgv2 = 100 km/h = 27.78 m/s

Q: 1. Body of mass 2kg is acted upon by two perpendicular forces 4N along the x-axis and 3N along…

A:

Q: 2. A snowboarder (mass 72.9 kg, height 1.79 m) glides down a slope with an angle of 22° with respect…

A:

Q: How high has the elevator moved above its original starting point, and what is its final velocity?…

A: Given: The elevator accelerates from rest at a rate of 1.20 m/s2 for 2.00 s. The elevator moves with…

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”