Review Speed, Netwon's Law, Forces, Lab Safety,

True or False: Long hair MUST be tied back during a laboratory investigation.

• True
• False

True or False: The wearing of flip flops and other open toed shoes are acceptable during a laboratory investigation during the hot summer months.

• True
• False

Friction is a force that acts in an ___________ direction of movement.

• similar
• opposite
• parallel
• west

What is the formula for force?

• F=M/A
• F=A/M
• F=M*A
• F=M*F

Tags

NGSS.MS-PS2-2

45 m/s² is the... 

• Mass
• Force 
• Acceleration
• weight

Tags

NGSS.HS-PS2-1

Which statement best explains Newton's Third Law of Motion?

• An object at rest tends to stay at rest.
• For every action there is an equal and opposite reaction.
• The acceleration of an object is based on the force applied.
• An object continues its motion until an unbalanced force is applied.

Tags

NGSS.MS-PS2-1

Which is the best example of Newton's First Law of Motion?

• a basketball thrown in the air falls to the ground
• a soccer ball remains motionless until it is kicked by a player
• a baseball player swings at an approaching ball
• an ice skater pushes back from a wall and moves backwards

A rubbing together force that slows things down and stops them.  It works against motion.

• acceleration
• mass
• gravity
• friction

Tags

NGSS.MS-PS2-2

Who invented the 3 Laws of Motion?

• Sir Francis Bacon
• Sir Isaac Newton
• Johannes Kepler
• Galileo Galilei

Determine the speed of a golf ball that was hit 200meters in 5 seconds.  Use the equation SPEED = DISTANCE/TIME

• 1000 m/s
• 40 m/s
• .025 m/s
• 100 m/s