Physics Round 2

This motion graph represents:

• constant speed
• acceleration
• body at rest
• slowing down

Tags

NGSS.MS-PS3-1

A student walking quickly while carrying an orange on his lunch tray stops suddenly. The orange will most likely roll off the tray due to

• inertia of the orange. 
• centripetal force of the orange
• the friction acting on the orange.
• the balanced forces acting on the orange.

Tags

NGSS.MS-PS2-2

The graph shows the motion of four cars. All four cars are moving east.   
Which car has a constant velocity? 

• 1
• 2
• 3
• 4

A student reads his paper on friction to the class. Which statement should he include in his paper if he wants to present accurate information? 

• Friction increases mechanical advantage
• Friction opposes the direction of movement. 
• Friction makes movement of an object easier.
• Friction reduces the amount of work used to move an object. 

What is the answer to this problem?

• 50 Newtons to the left

• 50 Newtons to the right

• 950 Newtons to the left

• 950 Newtons to the right

What energy transformations take place when a battery-operated radio is in use?

• Electrical to chemical to light
• Sound to chemical to mechanical
• Chemical to electrical to sound
• Light to electrical to thermal

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-3

Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?

• chemical to thermal
• light to chemical
• thermal to light
• chemical to electrical

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

When you eat pizza, and then go for a walk, Chemical Energy is transformed to _____ Energy.

• Solar

• Electrical

• Mechanical

• Chemical

Tags

NGSS.MS-LS1-7

NGSS.MS-PS3-5

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above
• all of the above 

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

At which point is potential energy greatest?

• W
• X
• Y
• Z

Tags

NGSS.MS-PS3-2