(a) Why do we expect light objects to fall more slowly than heavy ones? (b) In the absence of air friction, how do all falling objects accelerate?

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: A body of mass m at rest on the top of a smooth incline slides down. If the height of the incline h…

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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: It takes an elevator in a skyscraper 4. Os to reach its cruising speed of 10. 0 . A 60.0 kg…

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Q: The acceleration of freely falling bodies is known as

A: The acceleration of freely falling bodies is known as acceleration due to gravity.

Q: A man pushes two boxes with the same amount of force (because they look identical and he can’t see…

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Q: When changing the mass of an object in free fall and neglecting friction through the air, what…

A: Here body performed free fall motion. Let the mass of  body m fall from height h with zero initial…

Q: If you apply the same amount of force to a bowling ball and a golf ball the golf ball moves faster…

A: Answer is inertia . Momentum is directly dependent on mass and velocity of the object Changes in…

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: A skater of mass 60.0 kg standing on ice throws a stone of mass 7.55 kg with a speed of 20.8 m/s in…

A: Given data The mass of the skater is m1 = 60 kg. The mass of stone is m2 = 7.55 kg. The speed of…

Q: If two objects having the same size fall through air at different speeds, which encounters the…

A: Air resistance force is increasing with the increase of speed and the frontal area of the object.

Q: When the force is constant, how does the final velocity relate to the distance traveled?

A: As per Newton’s law, the force on an object can be represented as, Here, m and a represent the…

Q: When a moving car is stopped, the passengers due to their inertia. stay still a. O b. fall forward O…

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Q: Does the acceleration increase or decrease as the mass increases?

A: From newton 2nd Law of motion F= ma a=F/m from above acceleration is inversely proportional to the…

Q: Which is more difficult to stop a sailboat or a cruise ship?why?

A: A cruise and a sailboat, both stay afloat on water due to the buoyant force acting on them.

Q: In 5 seconds a confused object with a mass of 25kg moves 10m, and experiences a change in velocity…

A: Given : Time (dt) = 5 seconds Mass (m) = 25 kg Distance (d) = 10 m Change in velocity (dv) = 10 m/s…

Q: If the surface is rough then find acceleration of blocks (g = 10 m/s2) : 4 kg u=0.5 6 kg

A: M1 = 4 kg M2 = 6 kg Frictional force , μ = 0.5 To find = acceleration of the blocks .

Q: how can two objects with different masses, when dropped from the same height, hit the ground at the…

A: Time of flight for an object to reach ground is given by,

Q: Is it possible to avoid injury if I'm riding in an elevator that breaks free and plummets down the…

A: No it is not possible to avoid injury if I am riding in an elevator that breaks free And plummets…

Q: Which person has the greatest inertia? 1. A 110-kg wrestler resting on a mat 2. A 90-kg man walking…

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Q: Does something so small matter? What is the difference in the force experienced by the dancer (50…

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Q: Do heavier objects fall more slowly than lighter objects ? Why??

A: No, both lighter and heavier objects fall with the same speed.

Q: If you throw a ball upwards it will eventually slow down and fall,why is that so?

A: If we thrown an object in space, it will keep moving far forever and never return, because there is…

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: Two masses are connected by a string which passes over a pulley with negligible mass and friction.…

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Q: A body has a mass of 50 kg. Its velocity is brought down from 20 m/s to 5 m/s by a resisting force…

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Q: Why would a truck take longer to accelerate when the driver hits the gas if it were loaded with…

A: From Newton's second laws, Force = mass × acceleration  So, for a given force , greater the mass ,…

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: Two figure skaters, one weighing 655 N and the other 755 N, push off against each other on very…

A: Given data: Weight of first skater (w) =655 N Mass of first skater (m) =655/9.81…

Q: Why are cars designed to crumple in front and back for safety? Why not for side collisions and…

A: The cars are designed to crumple in front and back for safety. The crumple zones redistributes force…

Q: You are given two bricks. The mass of the second brick is twice the mass of the first brick. Both…

A: Acceleration = gravitational force/mass  Gravitional force = mg , where m is mass and g is gravity…

Q: A cable hoists an elevator cabin upwards with an acceleration of 0.84 m/s/s. The cabin and…

A: According to Newton's second law of motion, net force acting on an object is equal to the product of…

Q: 30. The ratio of an object's weight to its mass is equal to to the objects. b. inertia C.…

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Q: An object suspended from a rope falls at a constant velocity downward, i.e. the tension in the rope…

A: Free fall is defined as the motion of the object where gravity is the only force acting upon it.…