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

Tags

NGSS.MS-PS2-2

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

• motion
• velocity
• acceleration
• mass

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