Answer to Question #91241 in Mechanics | Relativity for Umar

Question #91241
A cleaner pushes a 4.50-kg laundry cart in such a way that the net external force on it is 60.0N. Calculate its acceleration.
1
Expert's answer
2019-07-01T09:26:26-0400

We can find the acceleration of the laundry cart from the Newton's Second Law of Motion:


Fnet=ma,F_{net} = ma,

here, Fnet=60.0NF_{net} = 60.0 N is the net external force acting on the cart, m=4.50kgm = 4.50 kg is the mass of the cart and aa is the acceleration of the cart.

Then, from this formula we can calculate the acceleration of the laundry cart:


a=Fnetm=60.0N4.50kg=13.3ms2.a = \dfrac{F_{net}}{m} = \dfrac{60.0 N}{4.50 kg} = 13.3 \dfrac{m}{s^2}.

Answer:

a=13.3ms2.a = 13.3 \dfrac{m}{s^2}.


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