Ablock initially at rest on a horizontal, frictionless surface is accelerated by a constant horizontal force of 5 newtons. if 15 joules of work is done on the bock by this force, the kinetic energy of the block increases by

The kinetic energy of the block increases by 15 Joules.

Explanation:

Work done is defined as the product of force and displacement of the object.

Mathematically,

where,

W =work done

F = force

s = Displacement

Kinetic energy is defined as the energy which is possessed by the virtue of object's motion.

In the question, it is given that work done on block is 15 Joules and we need to find the change in kinetic energy of the block.

We know that,

Work done on the object = Change in kinetic energy of the object

Thus, Kinetic energy is increased by 15 Joules.

the simple machine has three main features. they are:

fulcrum is the center point or pivot point of the machine. effort is input force/ applied force. load is external force/ output.

the keisha 's machine labels are

x : load

y: fulcrum

z: lever