- #1
Silverbolt
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A crate is dragged 15m along a horizontal surface by a rope which makes an angle of 37° with the horizontal. How much work is done?
Work is defined as the force applied to an object multiplied by the distance the object is moved in the direction of the force.
The formula for calculating work is W = F * d * cosθ, where W is work, F is force, d is distance, and θ is the angle between the force and the direction of motion.
To calculate work in this scenario, you would first need to determine the force being applied to the crate. This could be measured using a force meter or by multiplying the mass of the crate by the acceleration due to gravity (9.8 m/s²). Then, you would use the formula W = F * d * cosθ, where F is the force, d is the distance (15m), and θ is the angle (37°). Plug in the values and solve for work.
Work is measured in joules (J) in the SI system. It can also be measured in other units such as foot-pounds (ft-lb) or calories (cal), depending on the system of measurement being used.
Other factors that can affect the work done when dragging a crate include the surface the crate is being dragged on, the weight of the crate, the angle at which it is being dragged, and the friction between the crate and the surface. Additionally, the force being applied and the distance the crate is being dragged can also affect the amount of work done.