Forces

What is the force that causes objects to fall to Earth?

• Air resistance

• Gravitational pull

• Water resistance

• Pressure

In which direction does gravity act?

• Downwards
• Upwards
• In all directions
• Towards the centre of the Earth

Tags

NGSS.5-PS2-1

What is a force?

• a push or pull
• speed or acceleration 
• potential or kinetic energy
• balanced or unbalanced force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

When objects remain in the same place, it is called...

• gravity
• friction
• balanced force
• unbalanced force

Tags

NGSS.3-PS2-1

An unbalanced force is when objects move in one direction because the force is greater from that direction.

• true
• false

Tags

NGSS.MS-PS2-2

What type of forces is the boy most likely applying?

• friction

• gravity

• pull

• push

Tags

NGSS.MS-PS2-1

If each person is pulling with the same force, which side will win?

• left side

• right side

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

When forces do not result in a change of motion, they are called __________.

• balanced forces

• unbalanced forces

Tags

NGSS.MS-PS2-2

This picture is showing _________.

• a balanced force

• an unbalanced force

Tags

NGSS.MS-PS2-2

In the picture above, the magnet is pick up iron filings. This is an example of _________.

• an unbalanced force

• a balanced force