Answer the correct answer/answers below:
Homework Answers
First Option.
Third Option.
It is easy to determine action-reaction pairs.
If A exerts force on B, then B should exert force on A.
In your question:
First option:
A is ball
B is bat.
So, reaction would be B(bat) exerts force on A(ball). But it is not given. So, it is wrong.
Second case:
Hands on wall. So, wall should exert on hand. It is said. Soo, it is action reaction pair.
Similaryly in third case,
Pitcher on ball so reaction would be ball on pitcher. But it is not said. So, it is wrong
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Answer the correct answer/answers below:
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the relationship between force, impulse, and momentum. The effect
of a net force ΣF⃗ acting on an object is related both to the force
and to the total time the force acts on the object. The physical
quantity impulse J⃗ is a measure of both these effects. For a
constant net force, the impulse is given by J⃗ =F⃗ Δt. The impulse
is a vector pointing in the same direction as the force vector. The
units...
A uniform ladder stands on a rough floor and rests against a
frictionless wall as shown in the figure.
Since the floor is rough, it exerts both a normal force
N1
and a frictional force
f1
on the ladder. However, since the wall is frictionless, it
exerts only a normal force
N2
on the ladder. The ladder has a length of
L = 4.85 m,
a weight of
WL = 62.5 N,
and rests against the wall a distance
d...
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steps with clear handwriting thank you~)
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