Force and Energy

What causes a backpack full of books to feel heavy when you lift it?

The capacity to do work is called _____________.

Forces can cause objects to change what?

When we throw something in air, it falls back. Which force pulls everything down?

The push and pull that causes objects to undergo change is called

How is force measured

In which direction does gravity exert force ?

"Work Done" - Work is done when a force acts upon an object to cause a displacement.

Which of the following is not a force?

A football kicked by a boy rolls on the ground to some distance and stops. The force which stops the ball is