The applied 30 N force on a spring produces a deflection of 1.5 inches. What is the spring scale in kg force per centimeter?

Q: A freight company uses a compressed spring to shoot 2.00 kg packages up a 1.00-m -high frictionless…

A: The energy stored in spring is equal to the sum of potential energy and kinetic energy.…

Q: A 9.6 kg ball is rolling at a speed of 3.8 m/s when it encounters a ramp. How high can it roll up…

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Q: A spring has a natural length of 18 inches and a force of 20 lbs is required to stretch and hold the…

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Q: A 4 kg block requires 6 m to slide to a stop.If the force of friction was 22 N, what was the initial…

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Q: what is the potentil engery for a 0.5 kg ball lifted 2 m above the ground?

A: Given, mass m = 0.5 kg height h = 2 m We know the expression for potential energy is  P.E=mgh

Q: If a 6 kg mass is dropped from a height of 10 meters, what is the velocity of the mass right before…

A: In the given question the mass of the mass is given is 6kg and height is also given 10 meter from…

Q: How much power is used if a force of 65 N is used to push a box a distance of 8 m in 9 s?

A: Required :  Power used.

Q: What is the work done by a tugboat that exerts a force of 12,500 N to transport a load for one…

A: Given in question - Force (F) = 12500N                                  Displacement(d) = 1000 km =…

Q: 50 W of power is required to to lift a barbell in 5 sec, How much work is done?

A: Power delivered on the system is equal to rate of work done on the system.

Q: what is the power required to lift  a 3 kg bag of nails 5 m in 10 s?

A: Mass (m) = 3kg Height (h) = 5m Time (t) = 10s

Q: A force of 600 newtons will compress a spring 0.5 metres. What is the spring constant of the spring?

A: We know, F = k.x

Q: What is the mass on a spring if the periodicity is .55 s and the spring constant is 2.79 N/m m- K+?…

A: Given time period T = 0.55 s spring constant k = 2.79N/m we have to calculate mass of the spring

Q: What is the work done on an object that moves from x = 1m to x - 2 m when a force, F = 300 N?

A: Given  Force F=300N  Displacement d=2-1=1m

Q: What is the mass of an object if it compresses a 627,200 n/m spring 2.1 m ?

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Q: . A spring with a spring constant of 25 N/m is stretched 65 cm. What was the force used? 10. A 75 N…

A: Given: 9- spring constant, k=25 N/m Displacement, x=65 cm To find force.   10- Force, F=75 N…

Q: 1200 J of work was in lifting a box to a height of 3 m. What was mass of the box?

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Q: How much work would you do if you climbed 8 meter up a tree, if your weight is 57 kilograms?

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Q: if a 6kg mass is dropped from a height of 10 meters, what is the velocity of the mass right before…

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Q: A rock weighs 190lb and is lifted 1 ft by the lever. How much work is done? Answer in ft-lb The…

A: Weight of the rock is 190 lb The height to which it is lifted is 1ft The other end of lever pushed…

Q: What is the spring constant that a 2.5 N force needs to compress from 35 cm to 25 cm?

A: Given: The magnitude of the force is 2.5 N. The initial position of the spring is 35 cm. The final…

Q: How large a net force is required to accelerate a 1,703-kg SUV from rest to a speed of 12.9 m/s in a…

A: Net Force required....Fnet= 624.149 Newtons

Q: How much work is done by a force of 10 N in moving an object through a distance of 1 m in the…

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Q: If a spring is pulled with 22.5 N of force to 15.7 m of length, the spring constant is?

A: Given,  Force = 22.5 N  Extension in spring = 15.7 m  K = ?

Q: A spring has a spring constant of 438 N/m and is stretched by 0.95 m. What is the spring force?

A: Given data: The value of spring constant is k=438 N/m. The deflection occurs in stretched spring is…

Q: A person pushes on a spring with a force of 900 N. If the spring compresses 3.6 m, what is the…

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Q: How much work is done to get a 60 kg object to go from 5 m/s to 15 m/s?

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Q: What is the horsepower of a 1,500.0 kg car that can go to the top of a 345.0 m high hill in exactly…

A: Given- Mass of car m=1500 kg Height h=345 m Time t= 1 minute=60 seconds g=9.8 m/s2

Q: What is the ΔKE if a grocery cart is pushed 12 m with a force of 15N?

A: Given Force on grocery cart F = 15 N Distance to which grocery cart is pushed d = 12 m To find…

Q: What is the speed of a 0.145 kg baseball if its kinetic energy is 110J?

A: Given data: The mass of the baseball is m=0.145 kg. The kinetic energy of the baseball is KE=110 J.…

Q: A spring needs a force of 3 N to compress it 37 cm. How much work is required to stretch the spring…

A: force (F) = 3 N compression (d) = 37 cm = 0.37 m

Q: What is the speed at impact of a stone that is dropped from a height of 60 meters? *

A: The third equation of motion is v2 = u2 + 2 g h where, u is the initial velocity, v is the final…

Q: How much work is done by a force of 12 N in moving an object through a distance of 9 m in the…

A: GivenForce applied on object, F=12 NDistance covered by object, d=9 m

Q: The SI unit of power is kg m' 3.

A: Given, unit is kgm^2/s^3

Q: How much power is required to lift a 3061 g chair at a height of 0.20 m in 2 s?

A: Mass of chair = 3061 gm = 3.061 kg. Weight = 3.061 ×9.8 = 30 N Workdone to lift the chair to 0.2 m…

Q: TA spring has a natural length of 14 ft. If a force of 500 lbs is required to keep the spring…

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Q: In raising a 6000 N piano with a pulley system, the workers note that for every 3 m of rope pulled…

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Q: If a vehicle has a horsepower of 300, how much energy does it burn in 2 minutes?

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Q: How much force does it take to bring a 1,325 N car from rest to a velocity of 33 m/s in 11 seconds?

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Q: What is the spring constant of a spring that needs a force of 6N to be compressed from 0.40m to…

A: Given: Force, F=6 N Change in length, x=0.35 - 0.40 = -0.05 m   To determine spring constant.

Q: How much work is required to lift a 2.6-kg concrete block to a height of 1.3 m?

A: The work needed to lift the concrete block is

Q: What is the force put onto a 4100 g box that has an acceleration of 1.1 m/sº?

A: Given data: Mass of box (m) = 4100 g = 4.1 kg Acceleration (a) = 1.1 m/s2 Force (F) =?

Q: How much work is done in lifting a 100-kg load of bricks to a height of 30 m on a building under…

A: Given data: Mass (m) = 100 kg Height (h) = 30 m Required: Work (W)

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: How much is the power of a machine that does 3000 J in 4 s?

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Q: How much force does it take to bring a 1,075 N car from rest a velocity of 26 m/s in 14 seconds?

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Q: If a person pushes a 2kg box with a force of 10N and a velocity of 10 m/s, what is the power?

A: Answer              100W

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!