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Serjik [45]
3 years ago
7

SEEEE ATTACHHHHHMEEENNTTTTSS!!!!!

Biology
2 answers:
MrMuchimi3 years ago
8 0

Answer:

The 19 is A and the 20 is D

Explanation:

Work done is N *m

So it gonna be 20N*5m

Giving 100J

The 20 work is only done when the object sets into motion

pickupchik [31]3 years ago
3 0

Explanation:

For question no 19

Force (F) = 20N

distance (d) = 5m

Work = F * d

= 20 * 5

= 100 J

Now

For question no 20

D. No matter how much force is applied the object must have motion for work to be done.

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