Newton's laws

What is the force that causes objects to fall to Earth?

• Air resistance
• Gravity
• Water resistance
• Pressure

What is the name of the units that we measure force in?

• Einsteins 
• Newtons
• Kg
• Metres

What will cause an object to move?

• Applied forces
• Balanced forces
• Unbalanced forces

If an object is stationary (not moving) the forces acting upon it are _____________

• unbalanced
• weak
• balanced
• Hulk Smash!

What is the net force?

• 20 N 
• 0 N 
• 400 N 
• 40 N 

What is the net force?

• 10 N
• 0 N
• 25 N
• 1 N

A skateboard rolls down a hill, reaches the level surface and eventually comes to a stop. The fact that the skateboard ultimately stops is best explained by ____.

• an unbalanced force would be required to keep the sled moving forward at constant speed

• the presence of an unbalanced force (e.g., friction) can cause a moving object to stop

• the presence of inertia causes it to stop

• the natural tendency of any object is to ultimately stop

The rate something is traveling in a certain direction.

• speed

• inertia

• velocity

Answer explanation

The amount of MATTER in an object.

• momentum

• velocity

• mass

Answer explanation

Inertia is the tendency of an object to resist a change in its ___________.

• temperature

• shape

• size

• motion