If Alice pulls the block up 29 meters, how much string must she pull through?

Q: An object is hanging by a string from your rearview mirror. While you are accelerating at a constant…

A: Consider the free-body diagram of the object hanging.

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = 2.4Ni +…

A:

Q: A box is being pushed across a tiled floor with a force of 350 N. If the friction force between the…

A: Given data The magnitude of the force being pushed is: F = 350 N The magnitude of the friction force…

Q: The heaviest invertebrate is the giant squid, which is estimated to have a weight of about 0.18 tons…

A: The weight of squid is 0.18 ton, one ton is equal to 907.185kg.Thus the weight of the squid in kg…

Q: A block weighing 200 N is pushed along a surface. If it takes 80 N to get the block moving and 40 N…

A:

Q: What force is required to accelerate an electron to 1.00 x 10^2 m/s?

A: Given : Acceleration of an electron (a) = 1.00 x 102 m/s2

Q: If you can push with 300 N of force and the coefficient of friction is 0.5, what is the largest mass…

A: Given Data:- Applied force is F=300 N Coefficient of friction is μ=0.5   Required:- Largest mass…

Q: A force of 900 N is applied to a 9kg object.  How fast will it accelerate?

A: The given data are: F=900 Nm=9 kg Here, F denotes the force and m denotes the mass.

Q: A 9900 N small car is moved by a 650 N force. If the car starts from the rest, then how fast is it…

A:

Q: A wet bar of soap slides down a ramp 8.4 mm long inclined at 8.0∘∘  How long does it take to reach…

A: The friction force acting on the wet bar,

Q: Joe uses a force of 250N to push a box with a mass of 95 kg up a 8 degree incline. If coefficient of…

A:

Q: Tension in the string is could you please convert to another unit for Tension (T) Thanks

A: Convert the given units of tension,

Q: How long would it take a 2.30 × 10 3  kg truck to go from 22.2 m/s to a complete stop if acted on by…

A:

Q: A crate is held at rest on a frictionless 53° ramp by a rope parallel to the incline. If the tension…

A: Tension in rope = T = 7000N  inclined angle ∅ = 53°  let mass of crate be m

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = -1.3Ni +…

A: Given, Two force vectors

Q: If a car of mass 785 kilograms accelerates a a rate of 3.25 m/s2, what is the net force on the car?

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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 antelope is being pulled by two forces whose vector-component expressions are: F1 = -9Ni + 0.4Nj…

A:

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = -7.8Ni +…

A: Given vectors are, F1=-7.8 Ni+-7.4 Nj+4.8 NkF2=1.6 Ni+2.6 Nj+-3.5 Nk

Q: A block slides down a smooth inclined plane with an acceleration of 4.9 m/s? .If the block weighs 49…

A:

Q: For how long a time must a tow truck pull with a force of 550 N on a stalled 1200 kg car to give it…

A:

Q: An object with a mass 50kg is acted upon by a force of 200N. The object's acceleration is? a) 0.2…

A:

Q: The weight of a crate is 200 N. If the man pulls on the rope with a constant force of 30 N, what is…

A: Solution:- 1) According to the Newton's second law of motion the net force acting on an object is…

Q: an object is lying on a table and its weight is 3N, what is the normal force equal to?

A:

Q: It has been found that a 1500 kg car can stop in 32 m from a speed of 20 m/s. How much force do the…

A: The car's motion is, m=1500 kg The initial speed of the car is, u=20 m/s The distance traveled by…

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = -9.9Ni +…

A:

Q: The velocity of a body of mass 20 kg increases from 5 m/s to 20 m/s in a distance of 100 m. The…

A:

Q: How much force would they apply on each other if they were 5mm apart?

A: Answer is 4.0 mN  It is clear from graph , at distance of 0.5mm force is 400 mN . Further…

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

A: Mass = 10 kg Angle = 20°

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: The mass of a large car is 1000 kg. How much force would be required to accelerate the car at a rate…

A: Mass = 1000 Kg  Acceleration = 3 m/s2  To find - Force required to accelerate

Q: At a certain mining operation, 2400 kg of gravel falls onto a conveyor belt every minute. If the…

A: Force exerted by the gravel on the belt F=ddtmv=mdvdt+vdmdt=vdmdt             dvdt=0

Q: An 1700 keg elevator has a cable that can support 25,000 N of force. If it carries ten people at 50…

A: Given, mass of an elevator, m = 1700 kg maximum tension, T = 25000 N mass of the person, m = 50 g

Q: A girl weighing 45kg is standing on the floor, exerting a downward force of 200N on the floor. The…

A: Mass of the girl (m)=45kg Force exerted (F) =200 N (In down ward direction)

Q: A 2 kg otter starts from rest at the top of a muddy incline to 85 cm long and slides down to the…

A:

Q: force of 100 N has a vertical component of 80 N. The horizontal component of the given force…

A: Given Force F = 100 N Vertical component = 80 N

Q: A child of mass 26 kg , is sliding down a water-slide that has an angle of 32 deg. If the water…

A:

Q: How much force will you have to exert in order to push a 2700 N piano up a ramp that is 2.5 m high…

A: Height of ramp= 2.5 m Ramp length= 7 m Weight of piano (W)= 2700 N Let the ramp is inclined at Angle…

Q: An antelope is being pulled by two forces whose vector-component expressions are: F1 = -3.3Ni +…

A: Given forces F1 and F2, the angle between them, θ, is given as, cosθ=u·vuv

Q: A Boeing 747 jumbo jet with 400 passengers and a mass of 85,000lbs requires a takeoff speed of about…

A: Given  Mass of plane m=85000lbs=85000×0.454 kg=38590kg  Initial speed u=0 m/s Final speed…

Q: As Dennis is taking a bath, the soap falls out of the soap dish and he steps on it with a force of…

A: Given: Normal force applied by Dennis is N=400 N The frictional force between the soap and the tiled…

Q: A 100 kg crate is being pushed on a horizontal floor at constant velocity. Given that the…

A: Mass of crate(m) = 100 kg Friction  coefficient (μκ) = 0.2 g= 9.8 m/s2

Q: What is the maximum force of friction between a 40kg box and the floor if the coefficient of…

A:

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –