FORCES

Front

Force is a vector quantity because it has both __________ and direction.

Back

magnitude

Front

What's the right way to express the magnitude of a force?

Back

Front

When a force is exerted on an object, it can change the object’s: speed, direction of_________________ and the shape

Back

Movement

Front

When a force is applied to a spring, it stretches. The __________ the force applied, the longer the spring stretches.

Back

Bigger

Front

When representing a force, you must draw an ___________ over the symbol of the force.

Back

Arrow

Front

Whenever an object moves against another object, it feels ________________ force. This force acts in opposite direction to the movement. This force is much smaller on smooth surfaces than on rough surfaces.

Back

Frictional

Front

Elastic materials and objects such as springs, change ______________ when a force is exerted on them.

Back

Shape

Front

A change in shape is called _______________

Back

deformation

Front

____________ is the force that keeps our feet on the ground

Back

weight, gravitational force, gravitational, gravity

Front

Two magnets _____________ each other when like-poles (two norths or two souths) are near each other.

Back

Repel