Force and Motion Unit Assessment

Which of the following is used to measure speed?

• meters
• seconds
• seconds per meter
• meters per second

Tags

NGSS.MS-PS3-1

A bird flies 50 meters in 10 seconds. What is its speed?

• 0.2 second per meter
• 0.2 meters per second
• 5 seconds per meter
• 5 meters per second

A car travels 4 blocks in 1 minute at a constant speed. Which of the following graphs shows the car’s speed?

• 
• 
• 
• 

Tags

NGSS.MS-PS3-1

A flat horizontal line on a distance-vs.-time motion graph shows

• increasing speed
• decreasing speed
• no speed
• acceleration

Which segment of the motion graph below shows the object moving the fastest?

• A-B
• B-C
• C-D
• D-E

Tags

NGSS.MS-PS3-1

Carts of different masses are placed on a ramp at different heights. Which combination of features will have the greatest gravitational potential energy?

• low mass and low height
• low mass and high height
• high mass and high height
• high mass and low height

A student wants to conduct an investigation to determine if there is a relationship between the speed a cart and the cart’s kinetic energy. They should

• keep all variables the same except the kinetic energy of the cart.
• keep all variables the same except the speed of the cart.
• keep all variables the same except the mass of the cart.
• do nothing.

Tags

NGSS.MS-PS3-1

Which has the greater effect on the kinetic energy of a moving object, doubling its mass or doubling its speed?

• doubling the object’s mass
• doubling the object’s speed
• doubling both have equal effects
• neither

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

If there is no net force acting on a moving object, it will

• continue moving at the same speed.
• continue moving in the same direction.
• continue moving at the same speed and in the same direction.
• eventually slow down and stop.

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

What does it take to change the direction or speed of an object?

• more than one force
• an unbalanced force
• a balanced force
• no force

Tags

NGSS.MS-PS2-2