OpenSciEd Force

A balanced force has a net force of

• 0 (zero) N

• 500 N

• -200 N

• 219 N

Tags

NGSS.HS-PS2-1

An unbalanced force could have a net force of any of these except

• 45 N

• 0 (zero) N

• -2000 N

• 359 N

Tags

NGSS.HS-PS2-1

What is an interaction between at least two objects that are physically touching?

• collision

• contact force

• crash

Tags

NGSS.MS-PS2-1

TRUE or FALSE: Forces always come in pairs.

• True

• False

Tags

NGSS.MS-PS2-1

What is the unit for Force?

• grams

• g/ml

• Newtons

How does air resistance affect the motion of objects?

• speeds it up

• slows it down

• makes it heavier

• it doesn't

Tags

NGSS.MS-PS3-5

A student wanted to test how the mass of a paper airplane affected the distance it would fly. Paper clips were added before each test flight. As each paper clip was added, the plane was tested to determine how far it would fly. What is the independent variable?

• distance

• mass

• paper

Tags

NGSS.MS-PS2-2

TRUE or FALSE: An increase in kinetic energy due to a speed or mass increase will increase the size of the peak forces between the objects in a collision.

• true

• false

Tags

NGSS.HS-PS2-3

A soccer player kicks a ball with a force of 50N. How much does the ball exert a force back?

• no force

• 25N

• 50N

• 75N

Tags

NGSS.MS-PS2-1

A push or a pull applied to an object

• Work

• Force

• Newtons

• Joules

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2