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In this lesson, we will learn how to calculate the unknown forces acting on an object so that it remains still or moves at a constant velocity.
Three forces act on a particle, which moves with constant velocity
. Two of the forces are
Find the third force,
Assume that east corresponds to positive displacement along the
-axis and that north corresponds to positive displacement along the
Find the net force in component form.
At what angle north of east is the net force directed?
Find the direction of the net force.
If Maher and Hanan’s housemates, Omar and Nehal, disagree with the move and
want to prevent its relocation, with what combined force
should they push so
that the couch does not move?
act on an object.
What force must be added to
to produce a net force of zero?
A force is applied to accelerate an object
on a smooth icy surface. When the force stops, which of the following will be
true? (Assume that friction is zero.)
What is Newton’s first law of motion also known as?
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