Answer parts a, b and c of the following question: (a) A box of mass 72 kg is at rest on a horizontal frictionless surface. A constant horizontal force of magnitude F then acts on the box, accelerating it to the right. You observe that it takes the box 3.4 seconds to travel 13 meters. What is the magnitude of the force F? (b) A box of mass 23 kg is at rest on a horizontal frictionless surface. A constant horizontal force of magnitude F then acts on the box, accelerating it to the right. You observe that it takes the box 7.5 seconds to travel 38 meters. What is the magnitude of the force F? (c) A 590-kg rocket is at rest on the launch pad. What upward thrust force is needed to accelerate the rocket uniformly to an upward speed of 28 m/s in 3.3 s?

Q: A box is at rest on a table. The book has a mass of 6 kg. You pull straight upwards on the box by a…

A: Please note : As per answering guidelines I can answer the first question only. Since, this is not a…

Q: A 2 kg particle moves along an x axis, being propelled by a variable force directed along that axis.…

A: The mass of the particle, m = 2 kg The position vector is x=2 m+ 3 m/st+ct2-4 m/s3t3

Q: Kevin works as a janitor, and he is pushing a fully-loaded recycling bin that weighs 557 N across…

A:

Q: In the figure, a crate of mass m = 94 kg is pushed at a constant speed up a frictionless ramp (0 =…

A:

Q: A block with a mass of 6.47 kg is on a horizontal surface. The coefficients of static and kinetic…

A:

Q: A 67.3 kg person is standing inside an elevator. The elevator is traveling from the 1st floor to the…

A: Consider the person’s mass be m, its weight be w, the speed of the elevator be u, the normal…

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

A:

Q: n object with a weight of 100 N is at rest on a horizontal surface. The static coefficient of…

A: Given:   The weight of the object is 100 N. The applied force is 65 N. The coefficient of static…

Q: Question 3. A hockey puck with a mass of 0.5 kg slides horizontally on the frictionless ice of a…

A: Mass of the punk (m)= 0.5 kg Force F1 = 5 N and θ1=(-36.6) degrees Force F2 = 10 N and θ2=(-60)…

Q: F

A: Given: Mass m1 = 4.7 kg. Mass m2 = 2.4 kg. Upward force F = 6.4 N. Downward acceleration (a) = 4.7…

Q: tension force on the box gravitational force on the box E

A: Given: The mass of the box is 4 kg. The acceleration due to gravity is 10 m/s2. The speed of the…

Q: a crate of mass m = 130 kg is pushed at constant speed up the frictionless ramp (? = 25.0°) by a…

A: Given Mass (m)  = 130 kg Angle θ = 25°

Q: Four blocks with masses m1=5.00kg, m2= 5.10kg, m3= 7.00kg, m4= 7.20kg are pulled on a horizontal,…

A: solution:   Given Values, Masses: m1=5.00 Kgm2=5.10 Kgm3= 7.00 Kgm4= 7.20 KgAngle (θ)=34°Force (F) =…

Q: A person pushes a box of mass m = 25 kg in a straight line along a rough floor. The applied force F…

A:

Q: Two boxes are placed on an inclined plane at angle a to the horizontal. The masses of the two boxes…

A: Consider the following diagram. It shows various forces on two boxess. On box 1, the forces are:…

Q: A metal box having a mass of 100.0kg is pulled along a level plane, at uniform speed, by a…

A: Answer:-  Given Mass of a metal box(m) = 100.0 kg  At uniform Speed by a horizontal rope applying a…

Q: A woman exerts a horizontal force of 119 N on a box with a mass of 39.2 kg. If the box doesn't move,…

A: Given a force F is exerted by the woman on the block, if the block is not moving, then the static…

Q: he top of a ramp, which is inclined at an angle of 20 degrees with respect to the horizontal.…

A:

Q: A constant applied force F, of 15.0 N pushes a box with a mass m = 7.00 kg a distance x = 15.0 m…

A: Given: Applied force Fp=15.0 N. Mass of the block m=7.0 kg. Distance traveled by block x=15.0 m. The…

Q: Bob is pulling a box of his toys of mass 15.0 kg along a rough horizontal surface for a distance of…

A: Given data: The tension in the rope is T=58 N. The mass of toy car is m=15 kg. The frictional force…

Q: You are at the grocery store pushing on a shopping cart. The mass of the cart including all the…

A: Given Data : The mass of the cart is given as mc = 26 Kg. The coefficient of friction between the…

Q: A person pushes a block of mass M = 6.0 kg with a constant speed of 5.0 m/s straight up a flat…

A:

Q: The drawing shows a 20.5-kg crate that is initially at rest. Note that the view is one looking down…

A:

Q: A 2.30 kg block is initially at rest on a horizontal surface. A horizontal force F of magnitude…

A: Apply the force equilibrium condition along the vertical, and determine the normal reaction force as…

Q: A horizontal force of magnitude F = 57.5 N pushes on a block of mass m = 4.7 kg. The block is on a…

A: The given situation can be represented as

Q: A block M₁ of mass 10.5 kg sits on top of a larger block M₂ of mass 20.5 kg which sits on a flat…

A:

Q: A small block of mass m2 is placed on top of a large block of mass m1 at rest on a horizontal…

A: When the body 2 starts moving the body 1 will tend to remain at rest with respect to earth due to…

Q: A block with a mass of 4.58 kg is on a horizontal surface. The coefficients of static and kinetic…

A:

Q: A 2.5 kg block is initially at rest on a horizontal surface. A horizontal force F of magnitude 6.5 N…

A: Given mass m =2.5 kg  Applied force F = 6.5 kg  If applied force is greater than static friction…

Q: A block of mass m1 = 3.9 kg is placed on top of a block with mass m2 = 5.4 kg. A force, F = is…

A:

Q: A horizontal force of magnitude F = 56.2 N pushes on a block of mass m = 5.87 kg. The block is on a…

A: The objective of the question is to find the acceleration of the block on the incline in terms of…

Q: In the figure, a crate of mass m = 83 kg is pushed at a constant speed up a frictionless ramp (0 =…

A:

Q: Two blocks A and B with mA = 1.1 kg and mB = 0.88 kg are connected by a string of negligible mass.…

A: The objective of the question is to understand how the tension in the string connecting two blocks A…

Q: A block that weighs 60 N is intially at rest on a horizontal surface. A horizontal force F1 of…

A: a)Net force on the block is,

Q: A firefighter with a weight of 713 N slides down a vertical pole with an acceleration of 2.88 m/s2,…

A: Given  weight w=713N and mass m= 713/9.8 = 72. 75 And the acceleration a=2.88m/s2 WWe have to find…

Q: Bob is pulling a box of his toys of mass 15.0 kg along a rough horizontal surface for a distance of…

A:

Q: A particle, which remains at rest, is acted on by three forces F, G and H. The force F has magnitude…

A: Required   magnitude of G and H forces

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?”