7 Sem Exam First Law of Motion

The skateboarder does NOT see the stick on the ground and is approaching FAST. Based on what you know about inertia, what do you think will happen next?

• The skateboarder will hit the stick and stop.

• The skateboarder will hit the stick and go flying forward but the skateboard will stop.

• The skateboarder will hit the stick and bounce backwards.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

According to inertia, without the seatbelt the driver would...

• Stop with the car.

• Continue moving forward.

• Move backward.

What is the outside force acting on the driver?

• Friction.

• The velocity.

• The seatbelt.

• Gravity.

Tags

NGSS.MS-PS2-2

While you’re ice-skating with your friends, you push off from one end of the rink and slide forward. Based on Newton’s first law of motion, what is true?

• You will continue to slide until a force makes you stop or change direction.

• The force of gravity will make you keep your velocity.

• You will not go far.

Tags

NGSS.MS-PS2-2

Newton's 1st Law is also called the Law of ...

• Friction

• Inertia

• Unbalanced forces

• Newtons

The tendency of an object to resist a change in motion is...

• inertia
• kinetic energy
• vector
• net force

Because of inertia, a moving object will keep ________ unless acted on by an unbalanced force.

• at rest

• moving

• in one spot

• inertia

Because of inertia, a resting object will remain at ________.

• rest
• a constant speed
• school
• inertia 

If a ball is in motion, how do balanced forces effect it?

• it will slow the ball down

• the ball will speed up

• the ball will continue to move at a constant speed & in the same direction

• the ball will stop

Tags

NGSS.MS-PS2-2

What force causes objects that are moving to come to a stop?

• gravity

• inertia

• friction

• magnetism

Tags

NGSS.MS-PS2-2