NC Forces and Motion

A location to which you compare another location is known as a ___________  ___________.

• Reference Point
• Unbalanced Force
• Relative Motion
• Actual Motion

The force that resists motion between two surfaces is called ____________.

• Force
• Gravity
• Friction
• Inertia

The resistance to a change in an object’s speed or direction is ___________.

• Force
• Speed
• Motion
• Inertia

The measure of the distance an object moves over a period of time is _______.

• Inertia

• Speed

• Motion

• Force

Tags

NGSS.MS-PS3-1

Use the triangle formula to help you solve the problem.
Calculate the speed for a car that went a distance of 125 kilometers in 2 hours time.

• 62.5 mph
• 62.5 km/hr
• 250 mph
• 250 km/hr

___________ is the change in position over time.

• Speed

• Force

• Motion

• Friction

Is this an unbalanced or balanced force?
Which way will the box move?
What is the net force?

• Unbalanced, right, 3 N
• Balanced, right, 9 N
• Unbalanced, left, 3 N
• Unbalanced, right, 9 N

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Use the triangle formula to help you solve the problem.
How much time does it take for a bird flying at a speed of 45 kilometers per hour to travel a distance of 1,800 kilometers?

• 40 kilometers/hour
• 40 hours
• 40 seconds
• 40 kilometers

Is this an unbalanced or balanced force?
Which way will the box move?
What is the net force?

• Balanced, right, 7 N
• Balanced, left, 1N
• Unbalanced, right, 15 N
• Unbalanced, right, 1 N

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Use the triangle formula to help you solve the problem.

The pitcher’s mound in baseball is 85 m from the plate. It takes 4 seconds for a pitch to reach the plate. How fast is the pitch?

• 21.25 mph
• 340 mph
• 21.25 m/sec
• 340 m/sec

Tags

NGSS.MS-PS3-1