What is the increase in kinetic energy of the mass

Reference no: EM13326208

1. A horizontally directed force of 22 N is used to pull a box a distance of 2.2 m across a tabletop. How much work is done by the 22 N-force?

2. A net force of 20 N accelerates a 9-kg mass over a distance of 20 m.

(a) What is the work done by this net force?

(b) What is the increase in kinetic energy of the mass?

3. A woman does 300 J of work to move a table 7 m across the floor. What is the magnitude of the force that the woman applied to the table if this force is applied in the horizontal direction?

Reference no: EM13326208

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