Two people of equal mass attempt a tug-of-war with a 12-m rope while standing on frictionless ice. When they pull on the rope, each of them slides toward the other. How do their accelerations compare, and how far does each person slide before they meet?

Q: with an acceleration of 2.5 m/s using very light fishing line that has a breaking strength of 22 N.…

A:

Q: How does a skydiver reduce the force on his body while landing? decreasing his mass increasing his…

A: When a skydiver falls he accelerates downward. His velocity increases every moment as gravity acts…

Q: Why do you lurch forward in a bus that suddenly slows? Why do you lurch backward when it picks up…

A: We lurch forward in a bus that suddenly slows, as at the instant the bus slows, body still keeps…

Q: If the net force acting on a sliding block is somehow tripled, by how much does the acceleration…

A: Write the expression for acceleration,

Q: Why do you fall in the forward direction when a moving bus brakes to a stop and fall backwards when…

A: As the driver applies brakes, the bus comes to rest. But, the passenger tries to maintain the…

Q: What do you call that deals with the relationships between the forces acting on the body and the…

A: Relationship between the forces acting on the body and the resulting motion is deal by Newtonian…

Q: A crane very slowly lifts a 2.50×102-kg2.50×102-kg crate a vertical distance of 16.0 m.

A: Work done is expressed as W = F.d = Fdcos(x) Where x is the angle between F and d. Since the force…

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 75-kg petty thief wants to escape from a third-story jail window, Unfortunately, a makeshift rope…

A:

Q: what does friction do to motion of the skater?

A: what does friction do to motion of the skater?

Q: How do we reduce force and acceleration in a collision?

A: Reduce force:- We know that the force in a collision reducing by extending the time of the collision…

Q: A rider in a "barrel of fun" finds herself stuck with her back to the wall. Which diagram correctly…

A:

Q: er than the new born baby of 20 kg we

A: We know that the two terms of physics are force and pressure.  both are interrelated to each other…

Q: blä: 5 A 700 gm block slides across a table top with an initial velocity 35 cm/s and comes to rest…

A: using equation of motion 2as=v2-u2 a is acceleration ( to be found) s is the distance travelled…

Q: In terms of newton's first law ( the law of inertia), how does a car headrest help to guard against…

A: When car is at rest, the head of the person inside the car tends to stay at rest.

Q: Most often we say that force causes acceleration. But when Evan took a ride in a rocket sled at…

A: The acceleration produced in the moving body depends upon the net force applied, that is the…

Q: an astronaut on the moon lifts a rock over his head and than drops it. Discuss what force acts on…

A:

Q: Two ice skaters stand face to face and "push off" and travel directly away from each other.  The boy…

A: The weight of the boy,

Q: An unfortunate bug splatters on the windshield of a truck. Which of the two exerts more force on…

A:

Q: .Aparachute has the same mass when it is in a pack and when it is spread out, but when the parachute…

A: We know that the force is the product of mass and the acceleration. When the parachute is closed,…

Q: Several boxes were placed on top of a table and stacked on each other. The masses are the following:…

A: Given: The masses of the objects are 10 kg, 5 kg, and 1 kg. The free-body diagram is given below.

Q: The same rocket sled drawn in Figure 4.30 is decelerated at a rate of 196 m/s. What force is…

A:

Q: This is the friction that occurs between two objects that are not moving with respect to each other?

A:

Q: A 5000 kg truck and a 1000 kg car are traveling at constant speeds when they collide. What is true…

A: Given : Mass of a truck (M) = 5000 kg Mass of a car (m) = 1000 kg

Q: Is a head-on collision between two cars more damaging to the occupants if the cars stick together or…

A: If the cars stick together then most of its energies are transferred and absorbed by the crumple…

Q: If the mass of an object is doubled, what happens to the acceleration?

A: For a constant force, if mass gets doubled then acceleration will get half.   Mathematically: F=ma…

Q: A 30 kg girl and a 40 kg boy stand on roller skates, face one another, and push off each other. If…

A: Newton's third law of motion state that, when two objects contact, they apply forces on each other…

Q: How do air bags help reduce forces on occupants in a collision?

A: Air bags to help reduce forces on occupants in a collision

Q: Mr. Mangan has a mass of 86 kg and is running at a bad guy The bad guy, with a mass of 100 kg, is…

A: We know that according to given the problem is based on the concept of the collision. let the mass…

Q: What is the change in velocity of a 3.45 kg trolley if you exert a force of 7.5 N on it for 3.5…

A:

Q: What happens when a force is subjected to an object?

A: According to Newton's second law of motion when momentum of a body is changed with respect to time…

Q: Two ice skaters stand together and "push off" and travel directly away from each other, the boy with…

A: The solution is given below

Q: When a basketball player dribbles a ball, it falls to the floor and bounces up.  Is a force required…

A: When the ball hit the ground then there is collision after the the momentum of the ball changes.…

Q: During a collision with a wall, the velocity of a 0.200-kg ball changes from25.0 m/stowardthe wall…

A:

Q: Was it easier to push a fist into the bag with no water or into the bag with water?

A: Answer We can move easily through air than through water. If the road is full of water we can't…

Q: Which has a greater momentum—a truck with a mass of 2250 kg moving at a speed of 25 m/s or a car…

A: Car has greater momentum

Q: If the mass of the sliding block is somehow tripled at the same time the net force on it is tripled,…

A: Using the Newton’s second law of motion, write the expression for net force of the first case.

Q: Your empty hand is not hurt when it bangs lightly against a wall. Why does it hurt if you are…

A: From newton's 2nd law we have,

Q: Heidi (39 kg) is walking her tiny chihuahua, Chaxi (5.60 kg), on the sidewalk.  To encourage Chaxi…

A: Introduction: The third law of motion states that for every action there is an equal and opposite…

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?”