force and motion

Why is it harder for the boy in Image B to get down the hill?

• Motion
• Friction
• Work
• Displacement

What is a PUSH or PULL of an object?

• Motion
• Force
• Friction
• Gravity

Which force produces a change in motion?

• unbalanced force
• balanced force
• gravitational force
• frictional force

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

What is the net force on the block? (click on the words to view the picture)

• 5 Newtons up
• 5 Newtons down
• 15 Newtons up
• 15 Newtons down

Speed is different from velocity because

• Velocity has a direction
• Speed uses Distance /Time
• Velocity doesn't include time
• Velocity doesn't include distance

A _____ moves an object closer to you.

• push
• pull
• friction
• cat

Tags

NGSS.MS-PS2-2

What force moves an object away from you?

• pull
• push
• gravity
• Jedi force

Why do air planes and race cars have sleek shapes?

• to reduce friction from air resistance
• to increase air resistance
• to look more appealing than cats
• so people will buy them

What keeps the Moon in orbit around Earth?

• Earth's rotation.
• Earth's atmosphere.
• Earth's gravity.
• Earth's shape.