If 245 J of work is needed to move a box 15 m. How much force was needed?
Q: When you lift a box with a mass of 350 kg to a height of 2.5 meters, how much work have you done?
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Q: a worker pushes horizontally on a large crate with a force of 215 N, and the crate is moved 3.5 m.…
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Q: A 50 N block is raised 2 m. If the net work done on the block is 50 J, what is the applied force on…
A: Given that The weight of the block is (F) = 50N Height of the block…
Q: A box is pulled 3 m across the floor with a force of 100 N. The force is applied 60˚ above the…
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Q: How much work is required to lift a 9.5-kg backpack 1.4 m to put it on?
A: Dear student The work is defined as : W = Force × Displacement in the direction of force
Q: How much work is done on a small car if 4370 N force is exerted to move it 85.5 m to the side of the…
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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: A log is pushed 2 m by a 5 N force. The opposing frictional force is 0.53 N. How much work is done…
A: Work: The work done by any force is the product of the force with the displacement of the object.…
Q: student who weighs 557 N climbs a stairway (vertical height of 2.7 m) in 26 s. (a) How much work is…
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Q: How much work is required to lift a 6.9-kg backpack 1.9 m to put it on?
A: mass(m)=6.9 kg displacement(d)=1.9 m g =acceleration due to gravity=9.80 m/s2
Q: A 2-kg block of wood is pushed by horizontal force of 10 N to a distance of 3 m. The work done…
A: Given: Mass of block m= 2 Kg Force applied F= 10N Distance d= 3m
Q: A student who weighs 552 N climbs a stairway (vertical height of 3.5 m) in 20 s. (a) How much work…
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Q: A heavy rope, 50 ft long, weighs 0.5 lb/ft and hangs over a building 120 ft high. How much work is…
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Q: A spring has a natural length of 28 cm. If a 23 N force is required to keep it stretched to a length…
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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: A force of 49 N raises a 5 kg object 0.82 m upwards. How much work was done by the force?
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Q: How much work is done lifting a 100 N barbell vertically 0.5 m?
A: The workdone in lifting a 100 N barbell vertically 0.5 m. given,Force(F)=100 Nheight(h) moved=0.5 m
Q: A 39 kg child is jumping on a trampoline with a spring constant of 4700 N/m. On a particular jump,…
A: solution: Apply the conservation of energy for this motion. At the maximum height, the speed becomes…
Q: A truck hitched to a trailer exerts a horizontal net force of 906 Newtons. If the trailer moves a…
A: Given data: Net force ( F ) = 906N Distance ( d ) = 1237 m Formula : Work…
Q: A box is pulled with a force of 35 N to produce a displacement of 9 m. If the angle between the…
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Q: A 800 lb horse pulls a 200 lb cart with a force of 50 lbf. If the horse pulls the cart a distance of…
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Q: A force of 140 N is required to push a table 5.0 meters across a level floor. How much work was…
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Q: Pushing a crate up a 3 m long ramp results in 6000 J of work. If the ramp's efficiency is 50%, how…
A: Given: d = 3 m Wo=Output work = 6000 J e = 50%
Q: A driver climbs up the stairs to the diving tower. The work he does climbing the stairs is?
A: When someone is climbing he needs to do work against gravity. The work is defined as the dot product…
Q: A worker pushes horizontally on a large crate with a force of 195 N, and the crate is moved 4.0 m.…
A: Given data: The applied force is F=195 N. The distance moved is s=4 m.
Q: You push down on a 3.0 N box for 15 minutes. How much work was done?
A: According to the Newton's second law , the force acting on an object is defined as the product of…
Q: A force of 49 N raises a 5 kg object 0.61 m upwards. How much work was done by the force?
A: Applied force (F) = 49 N Mass (m) = 5 kg Distance moved (d) = 0.61 m (upwards)
Q: Suppose that 3J of work is needed to stretch a spring from its natural length of 30cm to a length…
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Q: f 27 J of work is needed to stretch a spring from 18 cm to 24 cm and another 45 J is needed to…
A: Given data as per question energy used is 27J
Q: A man is lifting a 1 bag of cement in unknown direction with a magnitude of 10 meters and a height…
A: Given, Mass of bag,m=1 kg Height,h=7 m
Q: How much work is done on a 20 kg crate that is hoisted 2 m in a time of 4 s?
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Q: A worker pushes horizontally on a large crate with a force of 140 N, and the crate is moved 3.1 m.…
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Q: How much work is done when moving a box 25 m with a net force of 30 N?
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Q: A worker pushes horizontally on a large crate with a force of 245 N, and the crate is moved 4.5 m.…
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