1. A box is moving along a ramp, with a velocity directed up the ramp and an acceleration down the ramp. I push on the box, with my push directed upalongthe ramp. a.Is gravity doing positive, negative, or zero workon the box? Explain. b.Is the normal force on the box doing positive, negative, or zero workon the box? Explain. c.Is kinetic friction doing positive, negative, or zero workon the box? Explain.

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A: Mass of chair (m) = 5 kg Velocity = constant Force (F) = 40 N distance (d) = 3.50 m

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A: Since you have asked multi-part questions, we will solve the first three parts for you. In case you…

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Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.