Answer and show the solution:
1.If a man is dragging a box with a force of 650 N for 3m.How work did the man do?
2.Jenny is pushing a table with a force of 495 N.She has successfully pushed the table for 5m.How much work did Jenny do?
3.A toddler dragged his favourite toy to his crib exactly 4m from where he got it. If the toddler used 150 N to drag her toy.How much work did the toddler do?
Sana po masagutan niyo po ng maayos at may solution din po sana kailangan na kasi namin to bukas salamat
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Answer:
1. The work done by the man can be calculated using the formula:
Work = Force × Distance × cos(θ)
where θ is the angle between the direction of the force and the movement of the object. In this case, the force is in the same direction as the movement, so cos(θ) = 1.
Work = 650 N × 3 m × 1
Work = 1950 Joules
The man did 1950 Joules of work.
2. The work done by Jenny can be calculated in the same way:
Work = Force × Distance × cos(θ)
where the force is 495 N, the distance is 5 m, and cos(θ) = 1 since the force and movement are in the same direction.
Work = 495 N × 5 m × 1
Work = 2475 Joules
Jenny did 2475 Joules of work.
3. The work done by the toddler can be calculated in the same way:
Work = Force × Distance × cos(θ)
where the force is 150 N, the distance is 4 m, and cos(θ) = 1 since the force and movement are in the same direction.
Work = 150 N × 4 m × 1
Work = 600 Joules
The toddler did 600 Joules of work.