Forces & Motion

If I drop 4 objects of different weights from various heights, which object will experience the highest gravitational force?

• the object with the largest size

• the object with the smallest size

• the object with the largest mass

• the object with the smallest mass

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which is an example of an unbalanced force?

• a puppy sleeping on the couch

• a poster hanging on the wall

• a jar sitting on a shelf

• a girl shooting a basketball

Tags

NGSS.MS-PS2-2

What will happen if two friends of the same size and weight get on a seesaw?

• they will move up and down because they are unbalanced

• they will move up and down because they are balanced

• they will not move because they are balanced

• they will move because they are unbalanced

Tags

NGSS.3-PS2-1

How does adding wheels to a chair make it easier to move around the room?

• it helps increase the force of friction on the chair

• it helps reduce the force of friction on the chair

• they help increase the mass of the chair

• they help reduce the mass of the chair

A box is tied to one end of a pulley. How can you figure out how much weight is needed to lift the box?

• add all the weights on the other side of the pulley at once

• add one weight at a time until the box reaches the top of the pulley

• add one weight at a time until the box begins to lift off the ground

• add a weight to the other side of the pulley and pull it down until the box lifts off the ground

Tags

NGSS.MS-PS2-2

Scissors are made up of which 2 simple machines?

• a wedge and a pulley

• a lever and a wedge

• a gear and a lever

• a pulley and a gear

Which activity uses the least amount of force to overcome gravity?

• kicking a soccer ball

• hitting a golfball

• looking at a magazine

• hitting a tennis ball

How can I figure out how much weight to add to a bowl to see how much weight makes it sink?

• add weights, one by one, to the same bowl until it sinks

• add weights, one by one, to different bowls to see when they sink

• add one amount of weight into a bowl and see when it sinks

• add the same amount of weight to two bowls and see when they sink

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

When would the forces acting on the wooden box be balanced?

• when it is pushed from one side with one hand

• when it is pushed from the same side with two hands

• when it is pushed from both sides using the same force

• when it is pushed from both sides using different forces

Tags

NGSS.MS-PS2-2

What happens when the same amount of force is applied to both sides of the box?

• the forces are unbalanced and will move to the left

• the forces are balanced and will move to the right

• the forces are unbalanced and will remain at rest

• the forces are balanced and will remain at rest

Tags

NGSS.MS-PS2-2