Intro to Forces + Newton's Laws Video Lessons

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Problem: In the definition of weight, W = mg, the mass m refers to an inertial mass.True or falseFor 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 falseIf the cart is moving on the positive x axis, the x-component of velocity must be positive.True or False

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In this equation, m refers to gravitational mass. 

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Problem Details

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

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