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Which requires more work lifting a 50-kg sack a vertical distance of 2 m or lifting a 25-kg sack a vertical distance of 4 m?
work= force x distance, so both require work
What is a Distance Multiplier?
DM, established on the basis of results of empirical studies that suggest physical stress increases as the vertical distance of lifting increases. Value = (0.82+4.5/D) (metric) or (0.82+1.8/D) (US system) V= vertical distance of the hands from the floor.
Why should you stand with your feet hip distance apart and one foot slightly in front of the other when carrying out manual handling manoeuvres?
Because it balances your body - and distributes the weight of the object you're lifting evenly.
Which require more work lifting a 50-kg sack vertically 2m or lifting a 25-kg sack vertically for 4m?
Both require the same amount of work
If a helicopter is lifting 800 pounds at 200 ft per minute is how many horsepower?
800×200=
Is it easier to pull an object or lift it?
It is generally easier to lift an object vertically than to pull it horizontally, as lifting utilizes the force of gravity to assist in the motion. Pulling an object horizontally requires overcoming friction and additional force to move the object.
Which requires more work lifting a 100-kilogram sack a vertical distance of 2 meters or lifting a 50-kilogram sack a vertical distance of 4 meters?
They are the same- weight x distance equals weight times distance.
Which requires more work lifting a 50 kg sack a vertical distanceof 2 m or lifting a 25kg sack a vertical distance of 4?
Lifting a 50 kg sack a vertical distance of 2 m requires more work, as work is calculated as force multiplied by distance. In this case, the weight of the sack (force) is higher, resulting in more work done compared to lifting a 25 kg sack a vertical distance of 4 m.
Which requires more work-lifting a 50 kgsack a vertical distance of two meters or lifting a 25kg sack a vertical distance of four meters?
Lifting a 50 kg sack a vertical distance of two meters requires more work because work is equal to force multiplied by distance. In this case, the force is greater (50 kg as opposed to 25 kg) even though the distance is shorter.
Which requires more work lifting a 50-kg sack a vertical distance of 2 m or lifting a 25-kg sack a vertical distance of 4 m?
work= force x distance, so both require work
What usually requires less work lifting or sliding?
Sliding usually requires less work than lifting. Lifting involves using more muscle strength and expending energy, while sliding takes advantage of gravity and requires less physical effort.
Why is lifting a box a form of work?
Lifting a box involves exerting force to overcome gravity and move the box vertically. Work is defined as force applied over a distance, so lifting a box requires work to be done against the force of gravity as the box is raised. Thus, lifting a box involves transferring energy to the box to move it to a higher position.
Does lifting a 25 bag N of sugar 1 meter above the floor requires 25N m of work?
I suspect it is. Someone correct me if I'm wrong, but Work = force by distance.
Why do planes produce most carbon dioxide during take off?
An engine of any type requires the most power when it is accelerating its associated vehicle up to speed. This is the case of a plane accelerating from stopped to cruising speed. In addition in this same period the engine is lifting the craft to the cruising altitude which requires several times the power of level flight. The increased power requirements are met by burning more fuel. Burning more fuel produces more carbon dioxide
How much work you need to move a 280n shed to a platform 5 m above?
The work needed to move the shed to a platform 5m above would depend on the distance it needs to be moved horizontally and the method of moving it. The work done in lifting the shed against gravity can be calculated using the formula: work = force x distance x cos(angle), where the force is the weight of the shed (280 N), the distance is the vertical height (5m), and the angle is the angle between the force and the direction of movement (typically 0 degrees for vertical lifting).
Is lifting a pencil work?
Yes, lifting a pencil requires using muscles, which is considered physical work. However, in the context of physical activity or exercise, lifting a pencil would not be considered a significant form of exercise.
How a ramp can make lifting a box easy without changing the amount of amount of work being done?
A ramp can make lifting a box easier by spreading the work over a longer distance. Instead of lifting the box straight up, you can use the ramp to slide it up gradually, which requires less force at any given moment. This allows you to achieve the same amount of work with less effort.
