In the definition of weight, W = mg, the mass m refers to an inertial mass.
True or false

For a cart moving along a track with the x-axis parallel to the track, all forces acting on the cart must be along the x-direction.
True or false

If the cart is moving on the positive x axis, the x-component of velocity must be positive.
True or False

Objects accelerate due to imbalanced forces. However, not every item accelerates at the same rate in the presence of the same imbalanced force. A mass quantity called inertial mass determines the body's inertial resistance to acceleration when responding to all types of force.The gravitational force a body experiences while in the gravitational field, or g, is what determines its gravitational mass.

It is untrue that all forces acting on a cart going along a track with the x-axis perpendicular to the track must travel in the x direction. Because they might cancel each other out, the forces in the y direction.

It is true that the x-component of velocity must be positive if the cart is travelling along the positive x axis.

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