Chapter 2 Forces

the SI unit for force

• force

• Newton

• net force

In _______________________, an object falling from the top of a building accelerates at 9.8 m/s squared.

• satellite
• free fall
• Centripetal force
• GPS

Tags

NGSS.MS-PS2-4

A(n) ________________________ follows a curved path in space around Earth.

• satellite
• free fall
• Centripetal force
• GPS

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

__________________________ causes an object to move in a circular path.

• satellite
• free fall
• Centripetal force
• GPS

In which situation does the law of conservation of momentum apply?

• in the absence of greatest velocity

• in the presence of least velocity

• in the absence of outside forces

• in the presence of outside forces

Tags

NGSS.HS-PS2-2

6) The state that exists when the only force acting on an object is gravity is called

• free fall
• inertia
• acceleration
• momentum

Tags

NGSS.MS-PS2-4

Satellites in orbit around Earth travel in an almost circular path because Earth is

• centripetal
• free falling
• curved
• massive

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The acceleration due to gravity near the surface of Earth is equal to

• 9.8 m/s
• 9.8 kg x m/s
• 9.8 N
• 9.8 m/s squared

The word centripetal means

• center seeking
• gravitational
• continuous
• free falling

The force that causes an object to move in a circle is called __________________.

• inertia

• centripetal force

• gravity

• direction

• Earth