Force
Which of the following is an example of a force?
A) Heat
B) Push
C) Light
D) Sound
B) Push
What force slows down a bicycle when you stop pedaling?
A) Gravity
B) Friction
C) Magnetism
D) Push
B) Friction
What happens when you push a ball on a smooth floor?
A) It stays still
B) It moves in the direction of the push
C) It moves in the opposite direction
D) It disappears
B) It moves in the direction of the push
Which of these forces can make a moving object stop?
A) Gravity
B) Friction
C) Magnetism
D) Push
B) Friction
Which force pulls objects toward the Earth?
A) Magnetism
B) Gravity
C) Friction
D) Electricity
B) GRAVITY
Which of these is an example of a magnetic force?
A) A ball rolling down a hill
B) A magnet attracting a paper clip
C) A car stopping at a red light
D) A person pushing a door
B) A magnet attracting a paper clip
When forces are balanced, there is no movement.
True or False
Why do we wear seatbelts in a car?
A) To make the car go faster
B) To protect us from gravity
C) To keep us safe when the car stops suddenly
D) To reduce friction on the road
C) To keep us safe when the car stops suddenly
What happens when you pull a wagon?
A) It moves toward you
B) It moves away from you
C) It stays still
D) It moves in circles
A) It moves toward you
Which of these surfaces would create the most friction?
A) Ice
B) Sandpaper
C) Glass
D) Metal
B) Sandpaper
If you want to make a sled go faster down a hill, what should you do?
A) Add more friction
B) Remove friction
C) Push it uphill
D) Make the hill flat
B) Remove friction
When forces are unbalanced, there is movement. That means that one force is stronger than the other.
Provide an example.
True or False
True
Pushing a cart is an example of an unbalanced force because the weight of the cart is not as strong at the person pushing it.
Which of these is an example of a pull force?
A) Opening a door toward you
B) Pushing a chair away
C) Kicking a ball
D) Dropping a book
A) Opening a door toward you
What happens when you increase the force on an object?
A) It moves slower
B) It moves faster
C) It stops moving
D) It becomes heavier
B) It moves faster
What is electrostatic force?
Electrostatic force is the push or pull that happens with static-charged objects
Provide an example of a natural force.
Landslide
Hurricane
Tsunamis
Earthquake
Why does a ball roll farther on a smooth floor than on a carpet?
A) The carpet has less friction
B) The smooth floor has less friction
C) The ball is heavier on the carpet
D) The smooth floor has more gravity
B) The smooth floor has less friction
Provide 2 ways to make a moving object stop moving.
Hold it
Stop Moving it
Stop applying force
The muscles in your body have special names. The 2 main muscles in your arms are called?
Biceps and Triceps
The 3 main muscles in your legs that help you move your body and objects are called?
quadriceps, hamstrings, and calves
Which of these objects uses a spring to store energy?
A) A magnet
B) A rubber band
C) A wind-up toy
D) A bicycle wheel
C) A wind-up toy
The muscles in your back that help you lift objects are called?
Latisimus Dorsi 'Lats'
What is Friction?
Friction is the force that acts on objects that rub against each other.
The muscles in your chest are called?
pectoral muscles
What happens when two magnets with the same poles face each other?
A) They attract
B) They repel
C) They stick together
D) They lose magnetism
B) They repel