You are pushing on a sofa and it is sliding at a constant velocity. If the dynamic friction is 400 N, how much force are you pushing with? A.) 350 N B.) 450 N C.) 400 N

Q: A man is standing in a low-ceiling cave. He has raised his arms and pushing against the ceiling with…

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Q: 2. You want to move a 500-N crate across a level floor. To start the crate moving, you have to pull…

A: weight = 500 N Thus , normal force = 500 N Using formula for frictional force : Static friction =…

Q: The net external force on a 24 kg mower is known to be 51 N. a) If the force of friction opposing…

A: Given Net external force on mower = 51 N Mass of mower = 24 kg We have to answer the following…

Q: The Earth exerts a downward force on a pen of mass m that is resting on a table; the magnitude of…

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Q: You’ve just kicked a rock, and it is now sliding across the ground about 2 meters in front of you.…

A: Given: You’ve just kicked a rock, and it is now sliding across the ground about 2 meters in front of…

Q: A box is at rest on a rough surface. A person exerts a 75-N force horizontally to the right and the…

A: "As per the guidelines i solved the first question". 1. The expression for the frictional force…

Q: A 1.0kg box is on top of a 2.0kg box. A force of 6N is applied to the 2.0kg box so that both boxes…

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Q: A 24 kg box sits on the floor. The static coefficient of friction is 0.24. What is the approximate…

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Q: What causes the force that moves a boat forward when someone rows it?  a. The force is caused by the…

A: What causes the force that moves a boat forward when someone rows it.

Q: A 2 kg block starts from rest at the top of a 30o rough incline with a coefficient of kinetic…

A: mass = 2 kg angle = 30  μN = 0.4  s = 4m  according to given statement : mgsin30 +F = μN

Q: My 10 lb cat wants to push his box of kitty chow off the table so it will spill a snack for his…

A: Mass of cat (m) = 10 lb mass of box (M) = 1 kg coefficient of friction = 0.7

Q: A box of mass 15 kg is sitting on a horizontal floor, where the coefficients of static and kinetic…

A: SOlution: Given that m = 15 kg applied force F = 50 N μs=0.6μk=0.55

Q: Which of the following statements is incorrect about friction? a. Coefficient of kinetic friction…

A: From the definition of Kinetic friction, it is caused by the resistance between the moving object…

Q: When a skier skis down a hill, the normal force exerted on the skier by the hill is  A. zero B.…

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Q: A small block (m = 2 kg) is being pushed along (parallel to) a rough surface by a force with…

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Q: force that keeps you from sliding on an icy sidewalk is    a. weight.   b. kinetic friction.   c.…

A: Given  Force that keeps you from sliding on an icy sidewalk is .....

Q: A 4.0-kg box lies on a table. You pull it up with a force of 12 N and it doesn't move. Match the…

A: mass of box (m) = 4 kg upwards force exerted on the box = 12 N g = 10 ms2

Q: A force F acts on a brick of mass m and an acceleration a. If the force is halved and applied to two…

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Q: An apple weighs 1 N. The net force on the apple when it is in free fall is   answer choices  0 N.…

A: Given: Weight if body=1N

Q: als the weight of the object.

A: Given: To find the correct option which is shown below:

Q: A gymnast with a weight of 300 N is suspended by a single vertical rope, the tension in the rope…

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Q: You’re pushing a heavy filing cabinet across your office. You are tiring quickly and the cabinet is…

A: The newton third law, every force will have equal and opposite reaction.

Q: mass of 25 kg wooden crate is placed on a metal incline that makes an angle of 37 ̊ relative to the…

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Q: A car drives straight up a bridge with a 30-degree slope at a constant speed of 90 kilometers per…

A: Newton's second law of motion states that net force acting on a body is the product of mass and…

Q: A heavy ball is thrown straight upward. After the ball leaves the thrower's hand, what forces act on…

A: When the thrower throws the ball, the only force acting on ball is force of gravity which is…

Q: The rope is pulling partly upward at an angle of 30 degrees to the horizontal. In this circumstance…

A: Drawing the given situation:- Let N = norma; reaction forceWe have,  N= W-F sin30°So, from this we…

Q: The weight of the rock is 76N. An upward force of 106N is exerted on the rock. What is the net force…

A: Given: The weight of the rock is 76N. An upward force of 106N is exerted on the rock The weight of…

Q: wheelbarrow is experiencing two forces. One is pushing 5N to the east and the other 5N in exactly…

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Q: A 2000 kg car moving on a level road has a pushing force of 4500 Newtons to the right and a…

A: Let the mass of the car be m, acceleration be a, pushing force is F and the frictional force is f.…

Q: If you push on your textbook so that it slides across the table at a constant velocity,   a. there…

A: Force is the product of mass and acceleration. If the book is moving with a constant velocity, then…

Q: A 10-kg wooden box rests on a ramp that is lying flat. The coefficient of static friction is 0.50,…

A: Given: The mass of the wooden box is 10 kg.           The coefficient of static friction is 0.5.…

Q: A 10-kg mass slides down a flat hill that makes an angle of 20° with the horizontal. If friction is…

A: Mass M = 10 kg  Angle with horizontal = θ = 20 degree. We need to find the resultant force.

Q: What is the coefficient of static friction on an 18 kg object that can be pushed with a force of 135…

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Q: 3. Two blocks A and B are connected by a rope and pulled with some force F along a frictionless…

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Q: 3. Am=12.0 kg object is placed on a bathroom scale in an elevator. a. Draw a free body diagram of…

A: a.The mass of the object is 12 kg, placed on an elevator. The free-body diagram of the object is…

Q: The block shown is pulled across the rough horizontal surface at a constant speed by the force…

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Q: Which is true of the force pair of Newton's third law? a. The two forces never produce an…

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Q: A person gives a box a shove so that it slides up a ramp, then reverses its motion and slides down.…

A: The friction force acts opposite to the relative motion.

Q: A 6 kg toolbox sits at rest on a roof sloped at 31 degrees. Which of the following is the magnitude…

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Q: If the mass of a sliding object is increased while everything else remains the same, its kinetic…

A: The friction force depends upon the normal force.

Q: A worker pulls a crate of mass, m, via a uniform, massless cable that is attached to the crate at an…

A: To solve the question, we will resolve the tension force into components, and then we will consider…

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!