You give a shopping cart a shove down the isle. The cart is full of groceries and has a mass of 18 kg. The cart accelerates at a rate of 3 m/s2. How much force did you exert on the cart?
Answers
Answer:
since F = ma therefore mass= 18 kg and acceleration = 3 therefore 3×18= 54N is the force you exerted on the shopping cart.....
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Given: A shopping cart is given a shove down the isle. It has a mass of 18 kg and it accelerates at 3 m/s^2.
To find: Force exerted on the cart
Explanation: Mass of cart= 18 kg
Acceleration= 3 m/s^2
According to the mathematical form of Newton's second law of motion, force exerted on the body is the product of the mass of the body and the acceleration given to the body.
Therefore,
Force exerted= Mass of object* Acceleration of object
=> Force exerted= 18 kg * 3 m/s^2
= 54 kg m/s^2
= 54 N
Since 1 kg m/s^2 = 1 Newton (N)
Therefore, the force exerted on the cart is 54 Newton(N) down the isle.