Levers are simple machines which have:
What type of simple machine is found on the floor of a bath tub?
Which of these is an example of a wedge?
A screw is made up of ____ wrapped around a post or rod.
Which of these is not an example of an inclined plane?
Pulley is mainly used to lift objects above the ground, thus this opposes:
Gravity is defined as:
Fulcrum of lever acts as a:
Bicycle is an example of:
Which form of energy would move a cart?
Energy can’t be created or destroyed, it can only be changed from one type into another type. We call this rule:
Imagine a brick falling from a wall. The brick originally has only potential energy. As the brick falls, it loses potential energy but gains kinetic energy. This is due to:
How do we calculate the work done?
If an object does not move when force is applied then:
Choose the correct statement.
What is the definition of energy?
Musical instruments and traffic on road are examples of:
A river possesses ______ as a result of the movement of water.
_______ is based on mechanical energy.