Q6 of 46 Page 247

A shopping cart has a mass of 65 kg. In order to accelerate the cart by 0.3ms-2 what force would you exert on it?

Since F = ma,

where F is force,


m is mass and,


a is acceleration,


so, F = ma


= 65 kg × 0.3 ms-2


= 19.5 N.


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