IPC 4th Six Weeks Review

A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?

• 24 m/s²
• 18 m/s²
• 16 m/s²
• 16 m/s

A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest.  Find the acceleration.

• 30 m/s
• 24 m/s²
• 9 m/s²
• 81 km/hr

If you drive for 2 hours and travel 120 miles. What was your average speed.

• 60

• 60 mi/hr

• 240 miles

• 2 hours

Which graph shows an object moving forward at a constant speed?

• A

• B

• C

• D

Which graph shows an object at rest?

• A

• B

• C

• D

• 1 m/s²

• -1 m/s²

• 2 m/s²

• 1m/s

The force that acts in the opposite direction of motion when two surfaces come in contact. 

• Force
• Friction
• Static
• Kinetic 

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

• similar
• opposite
• parallel
• west

The measure of the gravitational pull on an object is called:

• weight

• mass

• matter

The momentum of an object depends upon the object's ___________&_____________.  

• size and shape
• mass and speed
• mass and veloctiy
• mass and energy