Analyze the motion of a rock dropped in water in terms of its speed and acceleration as it falls. Assume a resistive force is acting on the rock that increases as the velocity of the rock increases.

Q: Jose and Sergei are canoeing on Lake Erie. The canoe has a weight of 222 N. Sergei weighs 580 N, and…

A: Given: The weight of the canoe = 222 N,The weight of Sergei = 580 N, andThe weight of Jose = 780 N

Q: A 5.0 kg crate initially at rest on a smooth surface is acted upon by two opposing forces: 50 N to…

A: When a certain force is applied to a body with a certain mass, the body faces an acceleration…

Q: Give the magnitude and direction of the net force acting on a) a drop of rain falling down with a…

A: Here given a drop of rain falling with a constant speed . We have to find the magnitude and…

Q: A rock is suspended from a string; and it accelerates upward. Which statement is true concerning the…

A: The net force is given by the Newton's second law.  Net force = mass x acceleration

Q: The equilibrium rule, Σ F = 0, which means “the sum of all the forces is equal to zero”, applies to…

A: The equilibrium rule, Σ F = 0, it state that the sum of all the forces is equal to zero or we can…

Q: A figure skater has a mass of 40 kg and her partner's mass is 50 kg. She pushes against the ice with…

A: where, N=normal forceMg=weight a=accelerationFa=applied forceFr=air resistanceFf=friction

Q: A hot-air balloon of mass Mis descending vertically with downward acceleration of magnitude a. How…

A: The balloon descends with an acceleration a.   There are two forces acting on it.   The total…

Q: If the forces that act on a cannonball and the recoiling cannon from which it is fired are equal in…

A:

Q: Suppose that you are holding a cup of coffee in your hand. Identify all forces on the cup and the…

A: According to Newton's third law of motion, when one object exerts some force on the other object,…

Q: The figure below is the free-body diagram of Fo a car accelerating downhill O a car skidding…

A: Lets first find what all the force vectors represent.   As vector Fo is Vertically downwards, so it…

Q: A boy throws a steel ball straight up. Consider the motion of the ball only after it has left the…

A: When a boy throws a ball upward direction there will be a gravitational force act on the ball with…

Q: Assume the boxer punching the punching bag is the action. According to Newton's 3rd Law, what is the…

A: According to Newton's 3rd Law every action has an equal and opposite reaction.The forces are of the…

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

A:

Q: A stubborn dog, refusing to move, is dragged east by his owner along level ground. An eastward force…

A: Given:- The  mass of the dog m = 13 kg  The dragged force  on the  dog is F = 43 N  Find:- a)  The…

Q: Explain how the acceleration of an object is determined by the net external force on the object and…

A: Newton's second law of motion: Newtons second law of motion states that force is directly…

Q: Your perception of weight, ie. apparent weight is: a measure of the net force acting upon you ) the…

A: Apparent weight tells about how heavy the body actually is.

Q: If the acceleration of an object is zero, are no forces acting on it? Explain your answer

A:

Q: Draw a free-body diagram of a diver who has entered the water, moved downward, and is acted on by an…

A: A free-body diagram of a diver who has entered the water, moved downward, and is acted on by an…

Q: What is the relationship among an object’s mass, an object’s acceleration, and the net force on an…

A:

Q: Determine the tension in rope the balloon must create in order to keep the block from moving. |T=?…

A: Given: The mass of the object is 10 kg. The angle of the inclination is 50o. The coefficient of the…

Q: can you deduce the equation that relates mass and acceleration  with the constant force

A: Introduction: According to Newton's second law of motion, the force on the object is equal to the…

Q: A boat moves through the water with two forces acting on i. One is a 2.00 × 10°-N forward push by…

A:

Q: A crate of mass 50 kg slides on a horizontal floor under the action of an applied horizontal force…

A: Mass of crate: m = 50 kg Horizontal force: F = 200 N Frictional force: f = 120 N

Q: Identify the action-reaction pairs of forces for the following situations (a) You step off a curb…

A: a) Action is-Step off a curb and the Reaction is-earth meets your foot-the curb pushes back on your…

Q: Two equal sized objects are subjected to different force. Write down where acceleration is high?…

A: Let us consider two bodies A & B have the same size respectively. Size is a property of a body…

Q: 15. A 7.5 kg cannon ball leaves a canon with a speed of 185 m/s. Find the average net force applied…

A:

Q: A block of ice is sliding across a frozen pond at a constant velocity.  Use Newton’s 1st Law to…

A: Let us consider a block of ice is sliding across a frozen pond at a constant velocity ,(v) in m/sec…

Q: Find the acceleration of the cart that is required to prevent the block with mass m = 0.5 kg from…

A:

Q: A golf ball is hit with a golf club.While the ball flies through the air, which forces act on the…

A: A golf ball is hit with a golf club.

Q: A body cannot exert a force on itself. This statement is a direct consequence of Newton's

A: A body cannot exert a force on itself.

Q: Is it possible for an object to be moving in one direction while thenet force acting on it is in…

A: motion and force in opposite direction

Q: Support force exerted upon an object that is in contact with another object * O Compression Normal…

A: A force acting perpendicular to contact surfaces when two objects touch each other is called normal…

Q: If the mass of an object shown in the figure is 22 kg, calculate the tension exerted by the string.…

A:

Q: When landing after a spectacular somersault, a 50.0 kg gymnast decelerates by pushing straight down…

A:

Q: What normal force does a horizontal table exert on a 3.5 kg book that sits at rest? Be sure to draw…

A:

Q: What are some differences between the forces acting on a person when they are doing a squat vs a…

A: SQUAT:- Squatting is a popular exercise that targets the muscles in the legs, lower back, and core.…

Q: If the acceleration of an object is zero, are no forces acting on it? Explain in words

A: Given , Acceleration of an object is zero.   We want to discuss about forces acting on it.

Q: •When you lift a bowling ball with a force of 82 N, the ball accelerates upward with an acceleration…

A:

Q: Is acceleration equal to the net force or directly proportional to the net force? How acceleration…

A: According to Newton's second law , the acceleration of an object is calculated by using the formula…

Q: A 4.5 kg box is being pulled by a girl using a string that makes an angle of 20° horizontal. Find…

A:

Q: According to Newton's ____ law, an object with no net force acting on it remains at rest or in…

A: Correct option is :  Option (d) - first

Q: When an object pushes water, the water pushes back with as much force as it can. (True or False)

A: This statement is False. Because, when the density of the object is smaller as compared to the…

Q: t of mass 40 kg accelerate with the acceleration of 5 m/s^2. Find the net fo

A: We know that the newton's second law of motion is given as  Fnet= ma  where m is the mass of the…

Q: You’re exploring a cave. Standing in a low cavern, you steady yourself by pushing straight up on the…

A: When we stand  in a low cavern exploring a cave and steady ourselves by pushing straight up on the…

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!