Blitz Day 4 Lesson - Calculating Speed & Newton's Laws

7.7A
8.7A
8.7B

TEKS

Calculating Speed and Newton's Laws

Lesson

Blitz Day 4

​

​D

S

​​T

​

Multiple Choice

Which ball had the fastest speed? Speed=Distance / Time

• Ball 1

• Ball 2

• Ball 3

• Ball 4

Multiple Choice

Which ball moved at the same speed as Ball 3?

• Ball 1

• Ball 2

• Ball 3

• Ball 4

Multiple Choice

What is the object's instantaneous speed at 4 seconds?

• 10 m/s

• 1 mi/hr

• 1 m/s

• 2 m/s

Multiple Choice

#8 Show all your work on your answer document. (Average speed = total distance / total time)

• 2 km/min

• 20 m/s

• 0.5 km/min

• 200 m/s

Multiple Choice

Calculate the Net Force. 

• 60N, Left 
• 40N, Right 
• 0N
• 60N, Right

Multiple Choice

 What is the unit that measures force?

• Weight
• Net force
• Newton
• Kilogram

Multiple Choice

Objects with greater _________ also have greater inertia.

• speed
• mass
• temperature
• friction

​

​F

​M

​A

​

Multiple Choice

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

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

Multiple Choice

45 m/s² is the... 

• Mass
• Force 
• Acceleration
• weight

Multiple Choice

Will it take more force to push an empty shopping cart or a shopping cart that is full?

• The empty shopping cart
• The full shopping cart
• They will take the same amount of force

Multiple Choice

A book pushes down on a table with a force of 5N, the table..

• Pushes back with a force of 5N

• Pushes back with a force less than 5N

• Pushes back with a forcec greater than 5N

• Does nothing. A table has no force.

Multiple Choice

What is the reaction force to a foot pushing down on the floor?

• The foot going through the floor
• The floor pushing back against the foot
• The floor breaking to the foot