Unit 2 Force and Motion Review

What is a balanced force?

• Forces that work together

• Forces that are equal and opposite

• Forces that are unequal and work against each other

• Forces that oppose each other.

When an unbalanced force occurs, an objects __________ and/or _________ will change.

• motion and/or friction

• force and/or air resistance

• speed and/or direction

• gravity and/or motion

Tags

NGSS.MS-PS2-2

Cyclic motion has a repeating pattern that is ______________?

• unreliable

• ever changing

• unpredictable

• predictable

Tags

NGSS.MS-ESS1-1

What are the 3 main types of cyclic motion (patterns of motion)?

• up and down or one direction

• bobble or jumpy

• back and forth

• circular or in cycles

• oval or elliptical

Which of the following is an example of a circular pattern of motion?

• the hands on a clock

• a swing set

• a pogo stick

• jumping on a trampoline

Which of the following describes the pull of gravity?

• a contact force that repels two objects

• a non contact force that pushes two objects away from each other

• a non contact force that pulls two objects towards each other

• a force that opposes the motion of an object

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

What are two factors that affect the pull of gravity

• friction and air resistance

• mass and distance

• friction and distance

• mass and friction

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What is the force that is responsible for keeping the planets in orbit around the sun?

• space buoyancy

• air resistance

• magnetism

• gravity

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Earth's gravitational pull is the strongest force of gravity acting on humans because ______________________.

• The Earth's gravitational pull is stronger than the sun's gravitational pull.

• Gravity is the same as magnetism

• The Earth's gravitational pull is stronger than a human's gravitational pull

• Earth has the strongest pull of anything in space.

The larger the mass the, _________________ the pull of gravity.

• weaker

• stronger

• smaller

• consistent

Tags

NGSS.MS-PS2-4