Force, Motion, and Work

A boy run 25m in 5s. What is his speed? S = D/T

• .5m/s
• 5m/s
• 25m/s
• 10m/s

Tags

NGSS.MS-PS3-1

Speed with a direction is called what?

• velocity
• acceleration
• momentum
• deceleration

The distance an object travels in some amount of time is called?

• Lenght
• Speed
• Height
• Meter

All of the following are examples of acceleration EXCEPT?

• Slowing Down
• Changing Directions
• Speeding Up
• Standing Still

A plane flew 3000 kilometers, from Virginia to California, in 5 hours. What was the velocity of the plane during its flight?

• 600 km/hr West
• 600 km/hr
• 18000km/hr west
• 18000km/hr

During the final straight stretch of a race, a runner increases her speed from 5 m/s to 15 m/s in 2 seconds. What is the acceleration of the runner? (V_f-V_i)/t

• 3m/s²
• 5m/s²
• 1m/s²
• 2m/s²

A teacher's car has run out of gas and he is trying to push his car to the side of the road. The car weighs 1,200 kg and the teacher is pushing it at an acceleration of 0.07 m/s2. Using the force calculation the teacher finds that he is using 84 N of force to move the car. Which of Newton's laws of motion did the teacher use to calculate force?

• 1^st Law
• 2^nd Law
• 3^rd Law
• 4^th Law

Tags

NGSS.MS-PS2-2

"For every action there is an equal and opposite reaction." Which of Newton's laws of motion is defined?

• 1^st Law
• 2^nd Law
• 3^rd Law
• 4^th Law

Tags

NGSS.MS-PS2-1

Which of Newton's laws of motion explains why people should wear a seat belt in a moving vehicle?

• 1^st Law
• 2^nd Law
• 3^rd Law
• 4^th Law

Tags

NGSS.HS-PS2-3

To travel on his skateboard, Cole uses which of Newton's Laws of Motion?

• 1^st Law
• 2^nd Law
• 3^rd Law
• 4^th Law

Tags

NGSS.MS-PS2-1