Key in the work each force does

Exercise and reference answers

Questions

1. Answer

   -2000

   Question

   A 200 N force directly opposes a 10 m skid. Work done on the cycle, in joules

2. Answer

   1000

   Question

   Kinetic energy of a 50.0 g bullet flying at 200 m s-1, in joules

3. Answer

   10

   Question

   A 1.00 g drop falls 1.00 km with g = 10 m s-2. Work by gravity, in joules

Instructions

Tap the number keys to enter each answer, minus sign included.

Explanation