4 years ago

Box A is pulled 2 meters when a 3-newton force is applied to it.

Physics

1 answer:

murzikaleks [220]4 years ago

3 0

Answer: 0

Explanation: 1-1

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soldier1979 [14.2K]

Answer:

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3 years ago

Roger pushes a box on a 30° incline. If he applies a force of 60 newtons parallel to the incline and displaces the box 10 meters

Dmitry [639]

Work = Force * distance

He's going up an incline but pushing parallel to the ground. Draw out a diagram to show what's going on. )

Work = force* distance*Cos(incline angle)
60 N force * 10 meters * cos(30)
= 519.61 J

7 0

4 years ago

A box rests on the back of a truck. The coefficient of friction between the box and the surface is 0.32. (3 marks) a. When the t

cricket20 [7]

Answer:

Part a)

here friction force will accelerate the box in forward direction

Part b)

a = 3.14 m/s/s

Explanation:

Part a)

When truck accelerates forward direction then the box placed on the truck will also move with the truck in same direction

Here if they both moves together with same acceleration then the force on the box is due to friction force between the box and the surface of the truck

So here friction force will accelerate the box in forward direction

Part b)

The maximum value of friction force on the box is known as limiting friction

it is given by the formula

$F = \mu mg$