Both Boy X and Y are moving backwards
3rd Law of motion
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The force needed to apply to the cart is 18 N.
Here, we are to solve for the force to accelerate a cart. In this problem, we will apply the Newton's 2nd law of motion.
For the formula, we will use:
F = ma
F is the force, unit is in Newtons, N
m is the mass, unit is in kg
a is the acceleration, unit is in m/s²
For the given information
m = 60 kg
a = 0.3 m/s²
F = ?
Solving the problem
Let us solve for the force needed to accelerate the cart using the given formula, we have:
F = ma
F = (60 kg)(0.3 m/s²)
F = 18 N
Therefore, the cart needs 18 N force to accelerate down the aisle.
To learn more, just click the following links:Newton's Three Laws of motion
what happens to force when acceleration increases