Forces and Motion-Review

Jamal threw a ball into the air and watched it go up for a long time. Then it started to fall back toward him. What force caused the ball to return to the ground?

• friction

• gravity

• motion

• wind

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

How could you make an object increase its speed?

• use less force
• use more force
• use no force

Tags

NGSS.MS-PS2-2

To drag a sofa over carpet, movers sometimes use slippery pads. Which force is reduced with the use of the pads?

• Friction

• Gravity

• Push

• Magnetism

Tags

NGSS.3-PS2-1

What should you do to make a toy car roll faster down a ramp?

• Push it with more force

• Push it with less force

• Remove the force of gravity

• Use magnetism to push it down

Tags

NGSS.MS-PS2-2

What is the best reason a roller coaster comes to a stop?

• gravity

• a push

• friction

• a pull

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

Mrs. Brown pushed a bookshelf with a force that was enough to overcome the force of friction. Which of the following most likely happened?

• the bookshelf moved

• the bookshelf stayed still

• the bookshelf pushed her over

Tags

NGSS.MS-PS2-2

Multiple forces, such as gravity and friction, act on a marble when it rolls down a smooth tube. Which statement describes how friction affects the motion of the marble?

• friction causes the marble to bounce

• friction causes the marble to increase speed

• friction causes the marble to decreases its speed

• friction causes the marble to stop halfway down the tube

Tags

NGSS.MS-PS2-2

Evan dropped a bowling ball out of a window. What force caused it to fall to the ground?

• the friction force of the air moved it downward

• the force of Earth's gravity pulled it downward

• Evan must have pulled it down before he let go

• Evan must have pushed it down before he let go

Tags

NGSS.MS-PS2-4