1. Which of the following is TRUE about an object with constant acceleration? a. A constant force is applied to the object b. The object might reach numerous max velocity c. The object might have zero acceleration  d. The object might reach zero velocity  e. All of the above 2. You let a ball roll on a rough surface with coefficient of kinetic friction 0.54. Which of the following statement is TRUE about the ball? a. The ball is being acted upon by conservative forces only b. The ball's mechanical energy is conserved c. The ball's mechanical energy is not conserved d. The ball is being acted upon by non-conservative forces only e. None of the above

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A: a) OP =(1.95)2+(1.10)2          =3.8025+1.21          =5.0125           = 2.238mdistance from…

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A: In this question  we use simple free body diagram  equation  for getting  answer.

Q: Find the value of force applied if work done is 215 J and displacement is 8 m.

A: Given data : Work done=W Displacement=d   Required : Force

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A: Expression of wavelength: λ=cf Substitute the values. λ=300000000900×1000=333.33 m

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A: Given that: W=130 Nθ=31°

Q: π →μ +V μ μ

A:

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A: We need to comment on how the image is focused on the retina by the eye.

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Q: Illustrate how can magnet be demagnetized ?

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A: Resultant

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: