Forces and Motion

What is a PUSH or PULL of an object?

• Motion

• Force

• Friction

• Gravity

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

• Motion

• Friction

• Work

• Displacement

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.

_______________ is how fast an object changes over time.

• speed

• velocity

• momentum

• acceleration

What is the formula for force?

• F=M/A

• F=A/M

• F=M*A

• F=M*F

What happens when two forces act in the same direction?

• They cancel each other out.

• The stronger one prevails.

• Their strengths are added.

• Their sum divided by the two is the total force.

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

• mass

Which of the following statements is true?

• Balanced forces cause a change in motion.

• Unbalanced forces cause a change in motion.

• Forces do not effect the change in motion.