Which of the following types of forces do not involve momentum balance at steady state?     body force     pressure force     friction force     atmospheric force     none of the choices

Q: The force of gravity is a conservative force. a) True b) False

A: True/False The force of gravity is a conservative force.

Q: A 54.0 kg person is riding in a car moving at 21.0 m/s when the car runs into a bridge abutment.…

A: Given data:  Mass of person (m) = 54.0 kg Initial velocity (Vi) = 21.0 m/s Final velocity (Vf) = 0…

Q: Suppose you walk 14.5 m in a direction exactly 19° south of west then you walk 22 m in a direction…

A: The walking distance along 19 degrees south of west is The walking distance along 39 degrees west of…

Q: A baseball pitcher throws a ball straight up into the air at a speed of 21.5 m/s. In the process, he…

A:

Q: How large a force is required to accelerate a 1600 kg car from rest to a speed of 30 m/s in a…

A:

Q: 4) The graph below shows the force exerted on a rocket-propelled cart on a frictionless track as a…

A: Given Mass of the cart (m) = 2.3 kg Initial velocity of the cart (u) = 20 m/s   Work done = Area…

Q: (Homework)( Please explain in detail)

A:

Q: A loaded truck collides with a car causing huge damage to the car. Which of the following is true…

A: It is mentioned that:A loaded truck collides with a car causing huge damage to the car.To choose the…

Q: The car and truck are moving at the same speed when they collide. The truck is much heavier than the…

A: Answer The force of impact is the force generated when objects meets. When two vehicles moving in…

Q: Question 7 Werk.. A constant force F= 5.0 [N] is applied at a certain angle from the horizontal on a…

A:

Q: 100 kg 20° mo 90 kg 105 kg O 101 kg O 100kg

A:

Q: Two objects, A and B, have the same size and shape. Object A is twice as massive as B. The objects…

A: Since the object are simultaneously dropped from height and the objects reach the ground at the same…

Q: QUESTION: A block of mass mis released from rest at h=7.9 meter above the surface of a table at the…

A: (a) Velocity of the block as it leaves the incline: The block slides x on the incline, with sin 60°=…

Q: A 0.6 ton motor is moving on a leveled highway at a speed of 108 km/hr. How large is a retarding…

A: Given : m = 0.6 ton = 600 kg vo = 108 km/hr = 30 m/s v = 0 m/s because finally the motor stops  s =…

Q: An 876 N jumper lands on the floor with a velocity of 6.4 m/s.  Assuming no force absorption,…

A:

Q: Two blocks with the same mass are released from the top of two inclined planes of the same height.…

A: let the mass = m θ1 = 30oθ2 = 60o

Q: A pitcher throws a softball toward home plate. When the ball hits the catcher's Mitt, its horizontal…

A: Given: Horizontal initial velocity of ball is vi=32 m/s. Final velocity of ball is vf=0 m/s Time…

Q: A 10.0 kg dog jumps up in the air to catch a ball. The dog's centre of mass is normally 0.2 mabove…

A:

Q: When serving a tennis ball, a player hits the ball when its velocity is zero (at the highest point…

A: given: Force, F =540 N  time, t = 5 ms  final velocity, v = 45 m/s

Q: A force F with a magnitude of 200 N is applied at the origin O of the axes x-y-z as shown. The line…

A: Solution:-Given thatMagnitude of force (F)=200 NCoordinate of point A=(3m, 4m, 5m)

Q: Give one example in each of the following cases where a force: (a) Stops a moving body (b) Moves a…

A: A force is a push or a pull on an object. A  force can change the state of motion. A change in…

Q: 1 2 4 -2 -3 Position x(m) Consider a 1kg object. At x = 0, the object has initial velocity +v m/s.…

A: Using work energy theorem Work done = change in kinetic energy In this case work done will be area…

Q: A typical car travels a distance of 100 km at 110 km/h. It then repeats the journey at 70 km/h. What…

A: According to question --- Given data --  distance - 100 km. first speed (v1) - 110 km/h. second…

Q: A 0.6 ton motor is moving on a leveled highway at a speed of 108 km/hr. How large is a retarding…

A:

Q: If there are no non-conservative forces to worry about, what is the magnitude of the applied force…

A: Given data The mass of the object is m. The initial velocity of the object is u1=v. As the velocity…

Q: A roller-coaster vehicle has a mass of 505 kg when fully loaded with passengers (see figure).   (a)…

A: a) The expression for force of the track on the vehicle is F=mg+v2r Substitute values in the above…

Q: A 2500 lb car collides with a 25,000 lb truck. During the collision the car exerts a force of 550 lb…

A:

Q: A 4.0-kg block is moving with a speed of 2.0 m/s in the i direction. Another block that has a mass…

A: The solution is given below

Q: A 5.0 kg block initially at rest is pulled to the right along a horizontal surface by a constant…

A:

Q: Problem 4: When serving a tennis ball, a player hits the ball when its velocity is zero (at the…

A: The force acting ball is 540 N, and moves with a velocity is 44.5 m/s. The expression for impulse…

Q: how much force do the expanding gases in a gun barrel exert on a 6.0g bullet as it accelerates from…

A: The objective of the question is to calculate the force exerted by the expanding gases in a gun…

Q: 8. GO The space probe Deep Space 1 was launched on October 24, 1998. Its mass was 474 kg. The goal…

A:

Q: Calculate the force produced during a pushup for the following person: Mass of person = 58.9kg arm…

A: The expression for the force produces during the push up is F = mg Use the given values F=58.9 kg9.8…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: