Forces Review

______ forces affect the motion of an object by speeding it up, slowing it down, or changing the direction of it.

• Balanced
• Strong
• Unbalanced
• WeaK

Tags

NGSS.MS-PS2-2

Which law of motion states that an object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an unbalanced force?

• Newton's 1st Law of Motion
• Newton's 2nd Law of Motion
• Newton's 3rd Law of Motion

Which law of motion is explained by the equation:
Force = Mass x Acceleration

• Newton's 1st Law of Motion
• Newton's 2nd Law of Motion
• Newton's 3rd Law of Motion

Tags

NGSS.MS-PS2-2

As the force applied to an object increases, its acceleration______

• decreases
• increases
• stays the same
• does not exist

Tags

NGSS.MS-PS2-2

Is the object in equillibrium?

• Yes

• No

• Not enough information

Tags

NGSS.MS-PS2-2

If the object in this picture is in equilibrium, What is the force of friction?

• 0

• 12

• 8

• 4

Tags

NGSS.HS-PS2-1

A hiker pushed on a large rock, but it did not move. He pushed 300 N to the left. How much force does he feel from the rock?

• Less than 300

• 300

• More then 300

Tags

NGSS.MS-PS2-1

The free body diagram of four boxes are shown below. Which box is in equilibrium?

• 
• 
• 
• 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What law of motion does this picture represent?

• Newtons 1st law
• Newtons 4th law 
• Newtons 3rd law 
• Newtons 2nd law

Tags

NGSS.MS-PS2-1

A 20 kg bike accelerates at 10 m/s².  what was the force?

• 25 Newtons
• 20 Newtons
• 200 Newtons
• 10 Newtons

Tags

NGSS.MS-PS2-2