Force and Motion

What is a PUSH or PULL of an object?

• Motion

• Force

• Friction

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

• Motion

• Friction

• Work

Which force produces a change in motion?

• unbalanced force

• balanced force

• gravitational 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.

_______________ is how fast an object changes over time.

• speed

• velocity

• momentum

What is the formula for force?

• F=M/A

• F=A/M

• F=M*A

What happens when two forces act in the same direction?

• They cancel each other out.

• The stronger one prevails.

• Their strengths are added.

Any time the forces are unbalanced, an object will remain at rest. True or false?

• true
• false

When you tell the direction and speed of an object, you give its

• motion

• velocity

• acceleration

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