A)Which of the following is that form of energy associated with anobject’s locat

Question

A)Which of the following is that form of energy associated with anobject’s location in a conservative force field?
1 potential
thermal    
bio chemical
kinetic

B)A horizontal force of 100 N is applied to move a 45 kg cartacross a 9.0 m level surface. What work is done by the 100 Nforce?
1 405 J
500J    
900 J
4500 J

C)The work done by static friction can be
1 positive.
negative.    
zero.
Any of the above.

D)If both mass and velocity of a ball are tripled, the kineticenergy is increased by a factor of:
1 3.
6.    
9.
27.


E)The work done by a force of 100 N along the vertical direction onan object of mass 10 kg that moves in the horizontal direction is 1 zero
1000J    
proportional to the horizontaldisplacement Dx
not enough information isgiven


1 1 1 1 1 1 zero
1000J    
proportional to the horizontaldisplacement Dx
not enough information isgiven
1 zero
1000J    
proportional to the horizontaldisplacement Dx
not enough information isgiven
1 1

Explanation / Answer

A) Potential energy B) workdone = F.S = 100N * 9m = 900J C) any of the above. D) 27 times E) zero.

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