4 F2 F FIGURE P4.28

Q: A block of mass 1 kg is placed on a surface for which u = 0.2 & Hx = 0.15, an external force F is…

A: According to Newton's second law, the force applied is related to mass and acceleration. The vector…

Q: 9 An empty elevator has a weight of 7000 N. The elevator is moving upward at 8ms". It slows to a…

A: 9. Here we are dealing with an accelerating elevator. Due to the acceleration of the elevator, it…

Q: If a 5.0 kg box is pulled simultaneously by a 10.0 N force in the east direction and a force 5 N in…

A: Given data The mass of the box is given as m = 5 kg. The magnitude of the force in east direction…

Q: Two blocks (A) and (B) of respective masses ma = 2 kg and mg = 3 kg, are placed in contact side by…

A: Answer:-  12 N  Given  Mass of block A (mA) = 2 kg  Mass of block B(mB) = 3 kg  Force (F) = 20 N…

Q: You create an elevator to get down a cliff.   Your and the bucket’s mass together is 80 kg (m2).…

A: The free-body diagram of the system is shown below. Here, T is the tension and a is the…

Q: m, m2 An object of mass m,= 4kg placed on a frictionless, horizontal table is connected to a string…

A: Given: m1=4 kgm2=5 kg The free-body diagram is given below.

Q: Q. A 5 kg block is pulled across a table by a net force of 32 N. Calculate the acceleration of the…

A:

Q: - A 7.1 kg body undergoes an acceleration of 4.2 m/s2. (a) What is the magnitude of the resultant…

A: Given:For part (a):m = 7.1 kga = 4.2 m/s2for part (b):m = 4.3 kg

Q: 0.114 Rg, cally with a constant acceleration of magnitude a m/s?. Find the magnitudes of (a) the…

A:

Q: happens with the acceleration of a moving object when the force is doubled and the mass is constant?…

A: According to Newton's second law  F = ma

Q: Which of the following statements are true about a massless rope 1With a massless rope, the tension…

A:

Q: - A 6.9 kg object undergoes an acceleration of 3.9 m/s2. (a) What is the magnitude of the resultant…

A: (a)  Consider an object of mass(m) 6.9 kg going with the acceleration(a) of 3.9 m/s2. Write newton’s…

Q: A rock pulled by two cords in the opposite direction moves at a constant acceleration. What can be…

A: Given that a rock is under constant acceleration and is being pulled by two string in opposite…

Q: What is the rate of acceleration produced by 1 dyne force acting on a body of mass 1 gram? [A] 9.8 m…

A: Given that, The force produced on the body, F = 1 dyne The mass of the body, m = 1 gram

Q: A skydiver of mass 72 kg has jumped out of a plane 2 km above the surface of the earth. After 20…

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: An elevator car has two equal masses attached to the ceiling as shown. (Assume m = 2.90 kg.) T m T2…

A:

Q: Two objects with masses 2kg and 6kg are connected by a light string that passes over a light…

A: Given: mass of object 1, m1=6 kg mass of object 2, m2=2 kg Solution: a) Let the system be in…

Q: A block slides down a plane inclined at 35 degrees from horizontal. Find the magnitude of the…

A: As per our guidelines, we are supposed to answer only first one question in case of multiple…

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

A: Given that, The initial speed of an electron, u=3×105 m/s The final speed of an electron, v=7×105…

Q: An electron of mass 9.11 x 10-31 kg has an initial speed of 2.00 x 105 m/s. It travels in a straight…

A: Given information:Mass of electron (m) = 9.11 × 10-31 kgInitial velocity of electron (u) = 2.00 x…

Q: A body hangs from a spring balance supported from the roof of an elevator. If the elevator has an…

A:

Q: A 100-kg man stands in a moving elevator. Calculate the force exerted by him on the floor for the…

A: Solution: Given that m = 100 kg find teh force on floor  a). The elevator has a constant upward…

Q: In Figure P4.63, the light, taut, unstretchable cord B joins block 1 and the larger-mass block 2.…

A: The force exerted by cord A on block 1 is greater than the force exerted by cord B on block 2.

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

A:

Q: A block is pushed across a floor by a constant force that is applied at a downward angle θ, as shown…

A: The free body diagram of the system is given below:                                 The vertical…

Q: 5.90. A force is applied to a block to move it up a 30° incline. The incline is frictionless. If F =…

A: Given Data:- The mass of the block is M = 5 kg The applied force is F = 65 N  The angle of…

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: A lift is required to carry a body of mass 10 ton. When the lift is moving downwards with an…

A:

Q: 2. A block with mass m, = 4.00 kg and a ball with mass m2 =6.00 kg are connected by a light string…

A: m1 = 4 kg  m2 = 6 kg  Let the tension be T . Let the acceleration be a in the direction shown below…

Q: Two forces act on a 20.0 kg object. One force has magnitude 60ON directed 45° clockwise from the…

A: Suppose the two forces act on a 20.0 kg object. One force has a magnitude of 60 N directed 45…

Q: For a certain interval of time, an object is acted on by a constant non-zero force. Which of the…

A: Given data:  A constant non-zero force is acting on the object for certain interval of time…

Q: While on skydiving, your force equipment measured that the air resistance you experience is a…

A: The force of air resistance on the skydiver is given as, Fr = 100 N (upward) The force of gravity on…

Q: The force P is applied to (a) the 79-lb block and (b) the 124-lb block. For each case, determine the…

A:

Q: According to Newton's 1t law of motion, if the net force acting is zero, O a. an object at rest…

A: Newton's first law relating the state of motion and external force. If there no external force…

Q: Two forces act on an object of mass M = 5.00 kg as shown in the figure. Because of these forces, the…

A: mass = M = 5 Kg acceleration = a = 7 m/s2 ( +x- direction ) F1= 20 N F2= ?

Q: Which is true of the force pair of Newton's third law? a. The two forces never produce an…

A:

Q: An object with mass m = 5.00 kg rests on a frictionless horizontal table and is connected to a cable…

A: Given,            m1=5.00kg            m2=10.0kg

Q: Whenever the net force on a body is zero, its acceleration A) is also zero; B) cannot be equal to…

A:

Q: 4. A rock is suspended from a string; and it accelerates downward. Which one of the following…

A: Newton's second law of motion defines force as the the product of mass and acceleration of a object.…

Q: If the net force acting on a stationary object is zero, then the object will a) remain at rest b)…

A: Answer 1 If the net force acting on a stationary object is zero then the object will remain at rest.…

Q: A 74-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 830…

A: According to the Newton's second law of motion, the acceleration of the elevator is,…

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.