Year 7 Cycle 1 P1 Forces Unit Knowledge Checker

What is defined as a push or pull?

• force

• motion

• vector

• speed

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The unit of force is

• m/s
• m/s^2
• newton
• kg

Forces that happen between objects that touch are called _____________.

• magnetism
• gravity
• slippery
• contact forces

Balanced forces do not change the objects speed or 

• direction
• distance 
• time
• mass

Tags

NGSS.MS-PS2-2

What force holds the planets in motion around the sun?

• Magnetic
• Electrical
• Gravitational
• Air Resistance

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the resultant force?

• 50N to the left.
• 350N to the left.
• 350N to the right.
• 50N to the right.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A type of friction that occurs when air pushes against a moving object causing it to decelerate.

• surface area

• air resistance

• velocity

• gravity

The girl's hair is attracted to the balloons because of which force?

• Electrostatic

• Magnetic

• Friction

• Buoyancy

Why is person B having a hard time moving down the hill?

• Person B has more friction than person A.
• Person B has the same friction as person A.
• Person B is out of shape.
• Person B has less friction has person A.

Tags

NGSS.MS-PS2-2

P1.1: How will this object move?

• It won't move.

• It will move to the right.

• It will move to the left.

• It will move up.