Find the terminal velocity of an 85-kg skydiver falling in a spread-eagle position.

Q: ystem of masses is being pulled up by a rope. While the masses accelerate upward, the tension in…

A: Tension is a force along the length of a medium, especially a force carried by a flexible medium,…

Q: The terminal speed of a ping-pong ball falling through air is about 20 mph. If the ball were thrown…

A:

Q: Draw a free body diagram for a projectile in flight with no air resistance?

A: The free body diagram of projectile is shown in figure below.

Q: Illustrate and solve the given. A shopper in a supermarket pushes a loaded cart with a horizontal…

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Q: In the game of tetherball, the struck ball whirls around a pole. In what direction does the net…

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Q: Two skydivers jump from a plane at the same time. Skydiver 1 has a mass of 50 kg and Skydiver 2 has…

A: Terminal velocity of skydivers

Q: A plum bob hangs from the roof of a railway coach. What angle will plum line make with vertical when…

A:

Q: A car is driving over a bump in the road. The driver is pressing the gas pedal. Neglect any friction…

A: The weight force acting on the ground due to the car is the downward force  acting in the negative…

Q: What must the coefficient of friction be for a ball to roll up a hill of 35 degrees?

A: Given: ө=35ᵒ

Q: A plum bob hangs from the roof of a railway coach. What angle will plum line make with vertical when…

A: When the train is accelerating at 2.3 m/s2 ,the bob experiences equal acceleration but in opposite…

Q: A crate having mass 50.0 kg falls horizontally off theback of the flatbed truck, which is traveling…

A: Write a relation between kinetic energy and work done using work-energy principle

Q: When flying a paper airplane, what is causing the thrust?

A: Thrust is another name given to a force responsible for the motion of airplanes and rockets. In…

Q: Mang Tamang is carpenter, he pulls load of lumber on a cart with a 60-lb force directed 40 degrees…

A: Given data: Force, F=60 lb Angle above the horizontal, θ=40°

Q: A box of massmis placed on a frictionless table and connected, via a string, to another box of…

A: Given: Mass of box on table = m, Mass of box hanging through string = M.

Q: A 1.84-kg bag of clothespins hangs in the middle of a clothesline, causing it to sag at anangle u =…

A: Given data: Mass of the bag m=1.84 kg Angle θ=3.50°

Q: When a car accelerates on a horizontal road, the push of the road on the car is _______ the push of…

A: According to the Newton's third law, To every action, there is an equal and opposite reaction.

Q: Unbalanced forces that are not equal in size can cause an object to - O Stop moving O Change…

A:

Q: 500 Ib 420 lb, 60° 70° 225 lb 40° 15° 576 Ib 325 Ib

A:

Q: When a parachustist jumps out of an airplane when are the veritcal drag forces maximum?

A:

Q: A boy pushes a tin box along the floor with a force of 40 N that makes an angle of 30° with the…

A: F = 40 N θ = 300 Fhorizontal = ? Fvertical = ?

Q: A 1000-kg airplane moves in straight flight at constant speed. The force of air friction (i.e. the…

A:

Q: A skydiver who weighs 500 N reaches terminal velocity of 70 km/h. The air resistance on the skydiver…

A:

Q: A motor car of mass 1000 kg is travelling round a circular track with a velocity of 15 m/s. If the…

A:

Q: In the absence of air resistance, which will fall first to the ground..... a handkerchief or a…

A: Any object falling under the force of gravity experiences the same acceleration due to gravity i.e.…

Q: Rank the net force on the block from least to most in the four situations, A, B, C, and D.

A: Net force is the vector sum of the two forces in each case. For case A, the net force is 5 N towards…

Q: 3. A rope of mass 5 kg is moving vertically in vertical position with an upwards force of 100 N…

A: Given: The mass of the rope is 5 kg. The tension in the upper end is 100 N vertically upward. The…

Q: Why is it difficult to hold a school bag having a strap made of a thin and strong string?

A: It is difficult to hold a school bag having a thin strap because the pressure on the shoulders is…

Q: Four tug boats apply forces to an oil-rig as shown 40 kN 50 kN - 40 kN 30 kN

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Q: What is an example of static friction?

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Q: What three forces are present as a basketball is tossed upward into a hoop? push, weight,…

A: To identify the three forces present as a basketball is tossed upwards into a hoop

Q: Four skydivers jump from a helicopter. Diver A: 65 Kg Diver B: 85 Kg Diver C: 100 Kg Diver D: 105 Kg…

A: Free fall is a motion of an object under the influence of gravity, where no other force is working…

Q: A skydiver falls downward through the air at a constant velocity Draw the appropriate force or free…

A:

Q: Why can't you "push" a rope or string?

A: Rigid object: In the rigid objects, the distance between the two specific points on the object will…

Q: Somebody is riding a skateboard and holding a wire that is tied to a car.  The wire makes a 17°…

A:

Q: A twelve-pound bowling ball is currently in equilibrium. Which one of the following statements is…

A: Solution as

Q: Find the tension in an elevator cable if the 1 500-kg elevator is descending with an acceleration of…

A:

Q: You are trying to move a large cabinet across the floor. you push the cabinet but it does not move.…

A: The frictional force is the force that is acting between two surfaces , that is for example,…

Q: Why does a heavy parachutist fall faster than a lighter parachutist who wears a parachute of the…

A:

Q: uation below, the net force (Fnet) is 50 N 80 N 200N 200 N

A: Given  Fnet=900N up Weight w=200N

Q: Draw a free-body diagram of the yo-yo when it has swung up to an angle of 45 degrees?

A: Given : angle swung by the yo-yo (θ) = 45 degree   Let, the mass of the yo-yo be 'm' , tension in…

Q: You are weightless when you are A. In free fall B. Without a support force C. Infinitely away from…

A:

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: