Answer:
mass of the object is : -
=》15.55 kg
Explanation:
force (f) = mass (M) × Acceleration (A)
=》280 = M × 18
=》M = 280 ÷ 18
=》M = 15.55 kg
d because the pressure particals won't have a small space to bump to
Since it was stated that it must move at constant
velocity, so the only force it must overpower is the frictional force.
So the equation is:
F cos θ = Ff
F cos 36 = 65 N
F = 80.34 N
<span>So the nurse must exert 80.34 N of force</span>
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l hope it helps you bro