Forces and motion

Andrew gets on his bike and begins riding.Which force is causing the bike to move forward?

• friction

• push

• gravity

• pull

Tags

NGSS.3-PS2-1

__________ is a push or pull that causes an object to undergo a change in speed, a change in direction, or a change in shape.

• Net Force

• Balanced force

• Force

• Unbalanced force

Tags

NGSS.MS-PS2-2

Equal forces that do not cause changes in motion are: _________

• net force

• unbalanced force

• time

• balanced force

Which of the following pair of forces is balanced?

• 5 N to the West and 5 N to the North

• 5 N to the West and 5 N to the East

• 5 N to the West and 5 N to the South

• 5 N to the West and 5 N to the West

When two objects rub together, the force that opposes the motion of the objects is called _______

• gravity

• magnetism

• friction

• electricity

A student is pulling a handcart with a force of 8 N. The friction force between the handcart and the floor is 2N. What is the net force acting on the handcart?

• 2N

• 6N

• 8 N

• 10 N

Tags

NGSS.MS-PS2-2

______is a force that acts between two objects which are touching. This force slows any movement between the two objects.

• Friction

• Magnetism

• Pressure

• Gravity

Hannah’s class plays kickball at recess. The ball is rolling toward Hannah. She kicks the ball. It moves in the opposite direction. Which type of force caused the ball to change direction?

• pull

• friction

• gravity

• push

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which unit is used to measure force?

• Kilogram

• Meter

• Newton

• Joule

Tags

NGSS.HS-PS2-1

What happens to the speed of an object if the force applied to it increases?

• It decreases

• It remains the same

• It increases

• It stops

Tags

NGSS.MS-PS2-2