PhysicsLand: Roller Coaster

Speed =

• distance / time
• time / distance
• distance * time

Tags

NGSS.MS-PS3-1

What will cause an object to move?

• Applied forces
• Balanced forces
• Unbalanced forces

Tags

NGSS.MS-PS2-2

Which of the following has a net force of 0 Newtons?

• An asteroid moving at a constant speed through space 
• A car accelerating from a stop sign
• A box of dishes falling from a counter 
• A rocket taking off 

A wheeled cart is moving to the right at a constant speed. Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?

• Balanced Forces, Constant Speed

• Balanced Forces, Acceleration

• Unbalanced Forces, Constant Speed

• Unbalanced Forces, Acceleration

Tags

NGSS.MS-PS2-2

If the car in the diagram rolls faster and faster as it moves down the ramp, you can be sure that

• there is no friction acting on the object.

• the forces acting on it are unbalanced.

• the net force on the car is 0 N.

• only gravity is acting on the car.

Tags

NGSS.MS-PS2-2

Changes in our speed, direction or both are called _________.

• gravity
• changes
• acceleration
• displacement

 If a drop is steeper, the roller coaster will go...

• Faster
• Crash
• Slower
• Stop

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Are forces balanced or unbalanced when a marble rolls down a ramp?

• Balanced
• Unbalanced

Tags

NGSS.MS-PS2-2