7. Calculations.
a. If an object has a mass of 20 kg and has a force of 100 N exerted on it, what would be its
acceleration? Show your work, including which formula you used!!!

The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.

Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?

Steel water aluminum think about the three words listed here. which word could be added as the title of this list of words to tell how these words are related? a) conductors b) heat c) insulators d) metals