Force and Motion Review

Which of the following points show that the object is at rest ?

• AB, BC

• BC, DE

• DE, EF

• AB, EF

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A grocery cart will continue moving if pushed. Which of the following explains this?

• Gravity will continue to move the box if the cart suddenly stops moving.

• Objects in motion will remain in motion in the same direction until acted on by a force.

• Friction will continue to move the box if the cart suddenly stops moving.

• Objects in motion will remain in motion until the force acting on it decreases.

At which point will the man experience friction as he rides his skateboard?

• A

• B

• C

• At all points

Tags

NGSS.MS-PS2-2

Noemi needs to bring an object that will offer the most resistance to a marble when rolled on a ramp. Which of the following should she bring?

• wax paper

• sand paper

• aluminum foil

• paper towel

Which of the following situations could be represented by this graph?

• Sophie walked to school, stopped to look at her watch, realised she was late and then started running

• Khalid walked home slowly from his friend’s house

• Natalie walked steadily to the park.

• Michael went out with his friends, realised he had left his wallet at home.

Tags

NGSS.MS-PS3-1

At which point will the skier experience a balanced force?

• A

• B

• C

Tags

NGSS.MS-PS2-2

How does air resistance affect the speed of a car moving at a speed of 40 mph?

• It causes the car to stop moving

• It increases the speed of the car

• It slows down the speed of the car

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which of the following could be used to determine if an object is in motion?

• The motion of the object is in a positive direction and the motion of the reference point is in a negative direction.

• The reference point changes as the object remains stationary.

• The reference point changes as the position of the object changes.

• The position changes relative to a reference point.

Which of the following is mostly likely to happen when the rock is pushed?

• The force of gravity pulling down on the rock will stop the rock.

• The rock will hit an object that acts as an unbalanced force that stops the rock.

• The momentum of the rock will increase and eventually stop its forward motion

• The weight of the rock will slow the motion of the rock as it travels down the hill.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

A student ran a 40 yard race, and their distance was recorded every five seconds. During which time period did the student travel at the fastest speed?

• Between 5 and 10 seconds

• Between 15 and 20 seconds

• Between 0 and 5 seconds

• Between 10 and 15 seconds

Tags

NGSS.MS-PS3-1