A decoration, of mass M, is suspended by a string from the ceiling inside an elevator. The elevator is travelling upward with a constant speed. The tension in the string is _______. a) equal to Mg b) less than Mg c) greater than Mg d) zero

Q: Sphere A is attached to the ceiling of an elevator by a string. A second sphere is attached to the…

A: Given, mass of sphere =2.97 kg

Q: Mona tion m2 An object of mass m1= 6kg placed on a frictionless, horizontal table is connected to a…

A:

Q: Object feels weightless because ?    A. Gravity is not acting on the object , B. Gravity does not…

A:

Q: In the figure, a crate of mass m = 88 kg is pushed at a constant speed up a frictionless ramp (0 =…

A:

Q: Three identical blocks connected by ideal (massless) strings are being pulled along a horizontal…

A: Given The Tension in between blocks B and C is TBC=3 N. The mass of each block is m=0.4 kg. The…

Q: A block of mass m₂ = 41.9 kg on a horizontal surface is connected to a mass m₂ = 21.6 kg that hangs…

A:

Q: m2 An object of mass m,= 6kg placed on a frictionless, horizontal table is connected to a string…

A:

Q: A hot air balloon is accelerating upward. Which of the following is true? A) The bouyant force is…

A: A hot air balloon accelerating upwards has a lift force greater than its weight , the lift is due to…

Q: A box of mass m is pulled with a constant acceleration a along a horizontal frictionless floor by a…

A:

Q: An electron of mass 9.11 x 10-31 kg has an initial speed of 3.00 x 105 m/s. It travels in a straight…

A: Mass of an electron,   The initial speed of an electron,   The final speed of an electron,   The…

Q: 2. A 4.0 kg block is pulled along a horizontal surface with an applied force of F=20 N and 0=30°.…

A: a. The free-body diagram for the given condition is,

Q: A person stands on a scale in an elevator. As the elevator starts, the scale has a constant reading…

A: When the elevator is accelerating in upward direction ( as the elevator starts ) , the free body…

Q: A box with mass  m1 = 5.00 kg  sliding on a rough table with a coefficient of kinetic friction of…

A: Free body diagram

Q: A man weighs a fish with a spring scale attached to the ceiling of an elevator. While the elevator…

A:

Q: A block of mass m₁ = 3.69 kg on a frictionless plane inclined at angle 0 = 33.2° is connected by a…

A:

Q: Car A (mass = 1000 kg) was subjected to a horizontal force of 10,000 N to allow it to move along…

A: Given data:  Mass of car A (ma) = 1000 kg Force on car A = 10,000 N Frictional force on car A = 3000…

Q: A block of mass M2 = 8.45 kg on a frictionless plane inclined moving down at angleθ2 = 50° is…

A:

Q: Which among the following statements is CORRECT? A.) An object's mass is different on the Moon than…

A: (A) Mass is defined as the amount of matter present in the object. Mass is a fixed quantity. Thus,…

Q: An object is moving with constant velocity in a straight line. Which of the following statements is…

A: the net force on the object should be zero. Hence, option E is the answer.

Q: A man of mass 80 kg is falling vertically. He opens his parachute and experiences an upward…

A:

Q: The figure shows a container of mass m1 = 1.3 kg connected to a block of mass m2 by a cord looped…

A: Given data:  Mass of container (m1) = 1.3 kg Acceleration (a) = 0.56 m/s2 Required: The tension in…

Q: A man with a weight of 500 N (when measured on the scale in his bathroom) stands on a scale in the…

A: A bathroom scale always measures the normal force. If the acceleration is zero, then the normal…

Q: A particle with mass  m = 5.00 kg accelerates according to a = (−2.60 + 2.30) m/s2. (a) What is the…

A: To determine,Partathe net force acting on the particle.given , mass(m)=5.0 kgacceleration(a→)=(−2.60…

Q: m1 m2 Two objects of mass m,= 3kg and m2 = 8kg are connected by a light string that passes over a…

A: The free body diagram is shown in the figure above. T is tension in the string and a is…

Q: An elevator is pulled upward at a constant speed by a cable. Which statement is true about the…

A: The correct answer is (c), i.e., The net force on the elevator is zero. As the elevator is being…

Q: (a) The normal force acting on an object is always equal to the force of gravity acting on that same…

A: SOLUTION IS GIVEN AS

Q: In the figure, a crate of mass m = 116 kg is pushed at a constant speed up a frictionless ramp (0 =…

A:

Q: By applying a constant horizontal force of magnitude F, a student pushes a heavy box of mass M along…

A: Initially magnitude of force is F Mass of box =M Coefficient of kinetic friction =μk Box move with…

Q: m m2 An object of mass m1= 5kg placed on a frictionless, horizontal table is connected to a string…

A:

Q: Suppose an object with mass, m, is suspended from a cable. Which statement about Tension is true?…

A:

Q: A block with mass of m1 = 2 kg is placed on top of a block with a mass m2 = 4 kg. A horizontal force…

A: Given data The mass of the upper block is: m1 = 2 kg The mass of the lower block is: m2 = 4 kg The…

Q: A 8.80-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic…

A: Mass of box (m) = 8.80 kg coefficient of kinetic friction = 0.34

Q: An elevator contains two decorative Christmas lanterns in it the 1st lantern that weighs 1.84 kg is…

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Q: A 5.80 kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic…

A:

Q: A puck is moving freely on frictionless ice along the positive x-axis when a force is applied to the…

A: Force acting on pucks decrease with time

Q: A 2.6 kg block, initially in motion, is pushed along a horizontal floor by a force F of magnitude 17…

A: mass, m = 2.6 kg F = 17 N  θ=35°μk= 0.25

Q: Two blocks connected by a string are pulled across a horizontal surface by a force applied to one of…

A: Given that -- m1 = 1.8 kg   m2 = 3.7 kg The angle between the applied force and the horizontal is θ…

Q: The coefficient of kinetic friction is equal to the force of kinetic friction divided by   a. the…

A: (1) Write the relationship between kinetic friction and the normal force. f=μkNμk=fN Thus, the…

Q: .4N pulls horizontally on a 1.3-kg block that slides on a rough, horizontal surface. This block is…

A: We know that the force of  9.4 N  pulls horizontally on a m1= 1.3 kg and This block is connected by…

Q: Which of the following statements are true? (a) An object can move even when no force acts on it.…

A: (a) An object can move even when no force acts on it. Above statement is TRUE.  Reason: A force is…

Q: In the figure, a crate of mass m= 107 kg is pushed at a constant speed up a frictionless ramp (0 =…

A:

Q: A block of mass m₁ = 3.22 kg on a frictionless plane inclined at angle 0 = 30.3° is connected by a…

A: The free body diagram of the blocks is a Mass m1 experiences a force of gravity which is expressed…

Q: A wedge with mass M rests on a frictionless horizontal tabletop. A block with mass m is placed on…

A: Given: A wedge with mass M rests on a frictionless horizontal tabletop. A block with mass m is…

Q: An object of mass 0.50 kg is released from the top of a building of height 9 m. The object…

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Q: A 25 kg box is on a 35° hill with a coefficient of friction of 0.1 and an additional applied force…

A: Mass of box, m = 25 kg Angle of hill, 35 degrees  Co efficient of friction = 0.1 Force applied…

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?”