Question

N which situation is work done on an object? *
the object slides with a constant velocity along a horizontal frictionless surface in a vacuum.
a person holds the object at arm’s length and at a fixed height above the ground.
a person pushes the object up a frictionless ramp.
the stationary object floats partially submerged in water.

Answer 1

Answer:

Energy a. Potential energy b. Kinetic energy c. Conservation of energy. 3 . Power ... (4) 267 N. 8. The work done in accelerating an object along a frictionless horizontal surface is equal to the change in the object's ... A pendulum is launched from a point that has a height h above its lowest point in two different ways.

Explanation: