Unit 3 Review

You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?

• 60 N right
• 10 N left
• 60 n right
• 50 N left

Tags

CCSS.HSN-VM.B.4A

CCSS.HSN-VM.B.4B

A wheeled cart is moving to the right at a constant speed.  Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?

• Balanced Forces, Constant Speed
• Balanced Forces, Acceleration
• Unbalanced Forces, Constant Speed
• Unbalanced Forces, Acceleration

Tags

NGSS.MS-PS2-2

Why does a book on a table not move?

• No forces are acting on the book
• Gravity is the only force acting on the book
• Forces of the table pushing up and gravity pulling down are balanced

Tags

NGSS.MS-PS2-4

Which answer choice best explains why tractor trailers take more time to speed up & slow down than regular cars?

• Tractor trailers have less mass and require less force to move.
• Tractor trailers have more mass and require more force to move.
• Tractor trailers have less mass and require more force to move.
• Tractor trailers have more mass and require less force to move. 

Tags

NGSS.MS-PS2-2

At A the speed of the ball increases. At B, speed decreases. At C, speed is constant. Which points does the ball experience unbalanced forces?

• A and B
• B and C
• A and C
• A, B and C

Tags

NGSS.MS-PS2-2

If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?

• 10 m/s^2
• .1 m/s^2
• 100 m/s^2
• 1 m/s^2

Tags

NGSS.MS-PS2-2

A five kilogram object attained a velocity of 5 m/s one second after a force was applied. In Newtons, what was the strength of the force?

• 10 Newtons
• 5 Newtons
• 25 Newtons
• 20 Newtons

Tags

NGSS.MS-PS2-2

If a 10 kilogram object accelerates suddenly at 15 m/s², how much force was applied to the object?

• 150 Newtons
• 15 Newtons
• 150 kilograms
• 100 kilograms

Tags

NGSS.MS-PS2-2

The masses of four objects are given in this table. If all objects are struck with the same amount of force, which one will have the greatest acceleration?

• Object 1
• Object 2
• Object 3
• Object 4

Tags

NGSS.MS-PS2-2

A force of 90N is applied to each cart below, which one will accelerate the fastest?

• Cart 1
• Cart 2
• Cart 3 
• Cart 4

Tags

NGSS.MS-PS2-2