Force, energy, motion review

A ball rolling down a hill hits a wall-

• the direction of the ball will not change

• the direction of the ball will reverse

• the speed of the ball will increase

• nothing happens

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS3-5

Which of the following is NOT a force that changes the direction of an object?

• inertia

• gravity

• magnetism

• push or pull

Which is an unbalanced force?

• a person standing in the cafeteria

• Leaning against the fence at recess

• A person pushing the cafeteria door open

• A person sitting at lunch

Tags

NGSS.MS-PS2-2

Two students rolling in a rolling chair. Student A has a mass of 50kg. Student B has a mass of 35kg. Which student will roll further?

• Student A because they are heavier.

• Student B because they are lighter.

Tags

NGSS.MS-PS2-2

Why does an object resist motion when it rubs against something?

• friction is destroyed

• friction is produced

• friction is decreased

• friction is removed

Which is a true description of gravity's impact on an object?

• Gravity is unbalanced when a person is sitting

• gravity is balanced with another force when an airplane is flying steady

• gravity is balanced when you are sliding down a slide

• gravity is unbalanced with another force when a phone is sitting on a table

Tags

NGSS.MS-PS2-4

Which of the following would take the most force to move?

• lamp

• couch

• picture frame

• candle

Tags

NGSS.MS-PS2-2

Which is a balanced force?

• a skateboard rolling uphill

• a basketball bouncing backwards

• a bike leaned against a wall

• a soccer ball being kicked

Two dogs playing tug of war and neither are moving.

• balanced force

• unbalanced force

• no force

• gravity force

Luke and Jake are playing Tug of War. The rope moves towards Jake.

• Jake applies more force.

• Luke applies more force.

• force is equal between the two.

• there is no force applied to the rope.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2