ASTS 2 Grade 5

Forces always act in ….

When we spin coin, there is an … force.

This force acts when you push or pull an object.

There is an upward force acting against gravity.

This is known as the … force. It supports objects placed on surfaces.

Gravity and normal force are acting on us when we sit on the chair, but in … directions.

• Same

• Opposite

… helps keep the ship from sinking to the bottom of the sea.

Friction is a force that exists between two ….

Gravity acts on the skydiver during the fall.

At the same time, a force called … acts against gravity.

… is the friction between moving objects and the air.

The … surface area of a parachute allows the skydiver to experience greater air resistance. This help to slow down the fall and helps the skydiver to land gently.

• Narrow

• Large

Erwin wanted to find out which piece of paper would reach the ground first when released from the same height.

Can you guess what is it?

• Crumpled ball of paper

• Half-folded paper

• Unfolded paper