"If a net horizontal force of 132 N is applied to a person with mass 60 kg who is resting on the edge of a swimming pool, what horizontal acceleration is produced?"

Q: If an object falls from the top of the building, what will its speed be after 2.60 seconds?

A: Given data: Initial velocity (V0) = 0 m/s Time (t) = 2.60 s Required: The final velocity(v)

Q: Is it possible for a body to have inertia but no weight?

A:

Q: A woman stands on a bathroom scale in a motionless elevator. When the elevator begins to move, the…

A: Given Actual weight = mg  Apprant weight = normal Reaction = 0.62 mg

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

A:

Q: Calculate the force a 75 kg high jumper must exert in order to produce an acceleration that is 3.2…

A: The expression for find force is F=mg+a

Q: A ball is thrown up into the air. Ignore air resistance. When it is rising and reaches half of its…

A: Given : A ball is thrown up into the air. To determine : Net force when the ball reaches half of its…

Q: A stalled car weighing 2500 kg is being pushed up a hill at constant velocity of 5 mi/h by three…

A:

Q: Under what circumstances your weight becomes zero?

A: Weight is,

Q: Calculate the force required to pull a stuffed toy duck (mass m = 1.75 kg) at a constant velocity of…

A:

Q: Two robotic arms are used to push boxes from one place to another across a smooth surface (assume…

A: Required : Which arm will make the boxes reach a higher speed.

Q: A crate is acted upon by a net force of 100 N. An acceleration of 4.0 m/s2 results. The weight of…

A:

Q: Ignoring friction, If an equal force is applied to a 20 kg box and a 2 kg box, the acceleration of…

A: Given that:- An equal force is applied on both box.

Q: A block of mass m= 4 kg rests on a larger block of mass M= 12 kg and the two are connected by a…

A:

Q: What results when the net force on an object increases?

A:

Q: Walking on horizontal slippery ice can be much more tiring than walking on ordinary pavement. Why?

A: Introduction: A frictional force always acts opposite to the direction of motion if the surface has…

Q: The weight of a typical high school physics student is closest to 1. 1500 N 2. 600 N 3. 120 N 4. 60…

A:

Q: What happens when you apply a force to an object?

A: A force can produce the following effects to an Object: (a) A force can move a stationary object: An…

Q: How much horizontal force would be required to make a 15 kg box accelerate at 1.2 m/s if friction…

A: Mass- 15 kg a = 1.2 m/s2  Frictional force = 18 N

Q: What is the force due to the acceleration caused by gravity on a mass of 35.7kg if it is placed on…

A:

Q: A dragster reaches 350km/h from rest in 6.2 seconds. If the car is 800 kg and generates a driving…

A: The acceleration is,

Q: When a man is standing on a scale in an elevator that is accelerating upward, the scale reading will…

A: When a man is standing on a scale in an elevator that is acceleration upward , the scale reading…

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: When Fatima rides her bicycle at 5 m/s, the drag force acting on her and her bicycle is 6 N. If she…

A:

Q: An elevator and its load weigh 1600lb, find the acceleration when the elevator moving downward at 20…

A: Given An elevator moving downward at 20 ft/s is brought to rest in a distance of 50ft. Find the the…

Q: Is it true that when you drop from a branch to the ground below, you pull upward on Earth? If so,…

A: According to newton any object of mass (say “m”) in the universe is attracted by any other body in…

Q: Why does a bungee jumper feel weightless during the jump?

A: A bungee jumper feels weightlessness when he jumps the platform. When the jumper is standing on the…

Q: the force of friction

A: Using relation V2 - U2 = 2as 02 - 82 = 2 x a x 10 0-64= 20a -100/20 = a -3.2 m/s2 = a

Q: A dog weighing 425 Newtons stands unmoving on level ground. What magnitude and direction of force…

A:

Q: A 0.5-kg ball is suspended from a ceiling by two strings. The ball is at rest. Is the tension in…

A: Mass of the ball is M = 0.5 kg Angle of string 1 with the vertical is θ1=30∘ Angle of string 2 with…

Q: Why don't the two forces in Newton's third law cancel

A:

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

A: Solution as

Q: on a object of mass 3kg is 70N . Then acceleration

A: The mass of the object is m = 3 kg  The force on the object is F = 70 N  Find:- The acceleration of…

Q: A student has a mass of 25 kg. If he stands on a scale in an elevator that is accelerating downward…

A: mass of student (m) = 25 kg Acceleration (a) = 2 ms2

Q: If two objects are separated by some distance and that distance is reduced by one-half, the force of…

A: The force of attraction between two objects in this universe is defined as the gravitational force…

Q: A stone is thrown horizontally from the top of a cliff. Ignoring air resistance, the forces acting…

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Q: A 90-kg man stands in an elevator that is moving up at a constant speed of 5.0 m/s. The force…

A:

Q: An elevator is moving upward at a constant speed, pulled by the cable it is attached to. What forces…

A: Draw the free-body diagram of the elevator.

Q: If the apparent weight of a man is 840 N when the elevator that moves downward with acceleration 4…

A: Given Data " The weight of the man when the elevator moves down is given as W = 840 N. The…

Q: The resultant of two unequal forces perpendicular with each other is 15 N. The magnitudes of the…

A: Given data:  Two unequal forces Forces are perpendicular to each other Resultant force (R) = 15 N…

Q: You pull a rope oriented at a 37° angle above the horizontal. The other end of the rope is attached…

A:

Q: How does a helicopter gets its lifting force?

A: the helicopter gets the lift by pushing the air downwards and it gets the thrust from the reaction…

Q: When you sit on a chair, the resultant force on you is     a. zero   b. up   c. down   d. it…

A: Our answer will be zero (option a) Reason when you sit on a chair , there will be downward force due…

Q: What is the net force needed to act on a 224 kg object in order to accelerate it from rest over a…

A: Let the mass of the object be M, the initial velocity of the object be u, the displacement of the…

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?”