A 75-kg petty thief wants to escape from a third-story jail window, Unfortunately, a makeshift rope made of sheets tied together can support a mass of only 58 kg. How might the thief use this "rope" to escape

Q: The block on the left has a mass of 6-kg and is in contact with the 4-kg block on the right.  Both…

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Q: 3. A 4-kg block and a 2-kg block can move on the horizontal frictionless surface. The blocks are…

A: Given : Force (F) = 12 N Mass (m1) = 4 kg Mass (m2) = 2 kg

Q: When velocity of elevator does not change and falling with constant velocity. The weight of 60 kg…

A: When object falls with constant there is zero acceleration acts on the body of object. W=MaW=M(0)W=0…

Q: If two bodies of different masses, initially at rest, are acted upon by the same force for the same…

A: The acceleration is given by the force acting per unit mass.

Q: girl has a 14 kg wagon. If she pushes from behind at an angle of the 30 degrees with a force of 60…

A: girl has a 14 kg wagon. If she pushes from behind at an angle of the 30 degrees with a force of 60…

Q: A boy stits at rest on the floor. Which of the following statements are true? Check all that apply.…

A: Force of gravity (Weight) is acting downwards. Normal force acts upwards. Even though normal force…

Q: 4. A 5.0 kg mass and a 10.0 kg mass are connected by an ideal string, as shown. The masses…

A:

Q: crate at rest weighs 10 N on a level surface with a coefficient of friction of 0.1. A force of 20N…

A: Given: weight of crate w = mg = 10N coeff. of friction μ = 0.1 applied force F = 20N angle of force…

Q: is at rest on a horizontal floor.  A 22 kg child sits on top of the box.  A person pushes the box…

A: Net force = ma

Q: Bank robbers have pushed a 1000 kg safe to a second-story floor-to-ceiling window. They plan to…

A: (a) The robbers lower the safe from the window. Therefore, their initial velocity will be zero. From…

Q: A cart for hauling ore out of a gold mine has a mass of 415 kg415 kg, including its load. The cart…

A: Net force on a cart = Applied Force - downslope weight + friction force

Q: When a 500 kg car collides with a 100 kg trailer, the force of the car on the trailer is the same…

A: Given Mass of car = 500 kg Mass of trailer = 100 kg We have to choose the correct option from given…

Q: Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades…

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Q: You hold a book against the wall with a push force of 11 N. What is the magnitude and direction of…

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Q: A meterstick is supported by a spring scale at each side. A mass is then hung on the stick so that…

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Q: In a Subaru TV commercial, a dog is driving a car of total MASS 1,812 kg.  Suddenly a person runs…

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Q: Which of the following is an appropriate unit for force? Note: there may be more than one correct…

A: We know that force can be written as  Force= Mass×acceleration We know unit of mass is Kg and that…

Q: The 5 N block is sitting on a table top which weights 16 N. The table has three legs. The force…

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Q: I push on a wall with a force of 22.7 Newtons. My mass is 83 kilograms, and I am balancing a ball…

A: Solution: Given that F = 22.7 N m = 83 kg m of ball = 10.9 kg

Q: Mr. Blain van and car have broken down. Because he is so muscular, he decides to pull them to the…

A: Given:- The pulling force is  F = 7000 N  His porche is 500 kg and his van is 1500 kg Find:- What…

Q: Skydiving tunnels have become popular attractions, appealing in part to those who would like a taste…

A: The mass of Natalya is m = 46.8 kg. The air resistance experienced by Natalya in the upward…

Q: a 60 kg object is moving at 20m/s when a force brings the object to rest in 0.050 seconds. of the…

A: Given, mass of the object (m) = 60 kg  Initial speed (u) = 20 m/s  Final speed (v) = 0 m/s  Time…

Q: A car of mass 1200 kg is accelerated from rest to a speed of 72 km/hr in 40 seconds. Calculate the…

A: Given data: Mass of car is, m=1200 kg. Initial speed of car is, u=0 m/s.…

Q: Alex is asked to move two boxes of books in contact with each other and resting on a rough floor. He…

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Q: F A Rope 1 В Rope 2

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Q: 9. A book is placed on top of the table. Which of the following statement is TRUE? The book exerts…

A: When book is placed on the top of table, then book will exert same amount of force as the surface of…

Q: A 1.0 kg wood block is pressed against a vertical wood wall by a 12 N force as shown. If the block…

A:

Q: A rod of length 2.85 meters is hanging from the ceiling using two strings at each end. The rod is…

A: Given data: The length of rod is L=2.85 m. The relation in tension is T1=2.14T2.

Q: Two blocks of unequal mass are tied together with a massless string that does not stretch and…

A:

Q: A 4-kg box and a 2-kg box can move on the horizontal frictionless surface. The box are accelerated…

A: Force applied on 4kg=+12N

Q: A block of mass m; = 4.00 kg is put on top of a block of mass m, = 7.00 kg. To cause the top block…

A:

Q: f you push sideways gently on your textbook and it doesn’t move, it is most likely because a. the…

A: As we push on the book, the static force of friction acts opposite to the direction of the force and…

Q: 14. Cars that are moving along horizontal roads are going to be stopped by plowing into identical…

A: SOlution: Given that A: m = 1000 kg, v = 6 m/s B: m =1600 kg,  v = 8 m/s C: m =1200 kg, v = 8 m/s 8:…

Q: ) Box 1 has a mass of 1.20 kg and box 2 has a mass of 3.10 kg. In Case A, the floor exerts a force…

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Q: Tom and his little sister are enjoying an afternoon at the ice rink. They playfully place their…

A: Newton’s third law of motion states that, every action, there is an equal and opposite reaction.

Q: How much force is needed to accelerate a 66 kg Skier at im/s^2? O 6.6 N O 66 N O 100 N O 10 N

A: Given that, Mass of the Skier, m = 66 kg Acceleration of the skier, a = 1 m/s2 We need to find the…

Q: Two boxes, A and B, are connected by a lightweight cord and are resting on a smooth (frictionless)…

A: Mass of box A= 12 kg Mass of box B=10 kg Force on b 10 kg box =40N

Q: ater force than the pin does 2) The ball experiences a smaller force than the pin

A:

Q: The center of mass is _______________ on the body or object. Select one: a. sometimes b. never c.…

A: Centre of mass is the point where the entire mass of the object is concentrated. Let the object is…

Q: What two substances are likely to be involved if a 2.5 kg object made of one of these surfaces is on…

A: Friction is the resistance to motion of one object moving relative to the other. The sliding…

Q: A 90 kg man on ice skates pushes and a 50 kg boy on skates with a force of 60 N. The magnitude of…

A: Mass of man = 90 Kg  Mass of boy = 50 kg  Force exerted by man on boy = 60 N

Q: A body begins to slide over the surface of another, when pulled with a force of 10 N, if we pulled…

A:

Q: You take a ride in a wagon. The wagon’s mass (including you) is 200 kg. A horse pulls it with a…

A:

Q: Alex is asked to move two boxes of books in contact with each other and resting on a rough floor. He…

A: Given: Two boxes are in contact as shown in the question. Mass of  box  A is mA = 10.2 kg,     mass…

Q: Two match officials carry an injured rugby player from a rugby field on a stretcher. The rugby…

A: Given data:  Rugby player mass (m) = 95 kg Stretcher length (l) = 2.5 m Lift mass (M) = 60 kg

Q: Rank the crates on the basis of the frictional force acting on them. Rank from largest to smallest.…

A: Given:

Q: 6 m 6 m 8 kg m kg 8 kg nooth pulley are 12 m apart at the same horizontal level. A light…

A: Given: m1=m2=8kgL=20mD=12 m

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!