Unit 2: Experimental Design and Friction #2

When a student runs and kicks a ball, they have applied an ___________ force to move the ball.

• Balanced

• Magnetic

• Spring

• Unbalanced

If the earth did not have _________, it would be impossible for humans to do anything because we would not be able to sit, stand, or walk around.

• weight

• the 3rd law of motion

• ice cream

• gravity

Standing in line is an example of a ________ ________ since you are not moving forward, backward, or sideways.

• negative acceleration

• balanced force

• unbalanced force

• 1st law of motion

The __________ between the sole of you shoe and the floor keeps you from slipping.

• friction

• gravity

• acceleration

• motion

Which law of motion says that you must push or pull objects harder if they have more mass?

• 1st

• 2nd

• 3rd

• 4th

Walking down the hall and speeding up when you turn and go down the stairs is an example of ____________.

• acceleration

• weight

• gravity

• friction

Which law of motion says that for anything to move you must apply an unbalanced force to it?

• 1st

• 2nd

• 3rd

• 5th

Letting go of a balloon full of air is demonstrating Newton's ______ _______ ________ _________ because the air comes out of the back and the balloon moves forward.

• 1st law of motion

• 2nd law of motion

• 3rd law of motion

• 13th law of motion

The law of inertia (Newton's first law) applies _____.

• to moving objects only

• only to objects that are not moving

• to both moving and nonmoving objects

All objects have inertia

• True

• False