How much force is exerted by the rope on the crate?-766.36.N What work is done b

Question

How much force is exerted by the rope on the crate?-766.36.N

What work is done by Sally if the crate is moved39.2m? -24304 J

(The question i need help with) What work is done by thefloor through force of friction between the floor and the crate?Answer in units of J.

Sally applies a horizontalforce of 620 N with a rope to drag a wooden crate across a floorwith a constant speed. The rope tied to the crate is pulled at anangle of 36? relative to the floor. Theacceleration of gravity is 9.8 m/s2 .

How much force is exerted by the rope on the crate?-766.36.N

What work is done by Sally if the crate is moved39.2m? -24304 J

(The question i need help with) What work is done by thefloor through force of friction between the floor and the crate?Answer in units of J.

Explanation / Answer

Fcos36=620 F=620/cos36 F=766.3621N W=F*d W=620*39.2 W=24304J

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