Which of these is an example of force?

The SI unit of force is:

Who discovered the laws of motion?

Which type of force pulls objects toward Earth?

Which of these is a contact force?

Which of these is a non-contact force?

Which force slows down moving objects?

What tool measures force?

Which type of friction is experienced when a ball rolls?

Which type of friction prevents an object from starting to move?

Which type of friction acts on swimmers in water?

What causes objects to fall to the ground?

Which direction does friction act in?

A magnet attracts:

Pushing a swing makes it move. What force is applied?

Pulling a rope is an example of:

What happens when balanced forces act on an object?

What happens when unbalanced forces act on an object?

Which of these is caused by gravity?

Which force is used to tie a rope tightly?

When you rub your hands together, which force produces heat?

Which law states that objects stay at rest or in motion unless a force acts on them?

Newton's Second Law relates force to:

Newton's Third Law states:

Kicking a football is an example of which law?

Which simple machine reduces the force needed to lift objects?

Which force keeps planets orbiting the sun?

Which force makes brakes work in cars?

When a balloon is released, air rushing out makes it fly. This shows:

What is inertia?

Which has greater inertia?

Which type of force is used by magnets?

What keeps us from slipping when walking?

Which is a force of attraction between all objects?

Which force works against motion in air?

Which surface has the most friction?

Which surface has the least friction?

Why is it easier to push a chair with wheels?

Which law explains why seatbelts are needed in cars?

Which force keeps the moon orbiting Earth?

What happens to force if mass increases but acceleration stays the same?

Which is a force applied when stretching a rubber band?

Which force is used when pedaling a bicycle?

What force is used when lifting a book?

Which type of energy is created by force moving an object?

Which of these reduces friction?

Which is stronger: static or sliding friction?

Which force causes tides in the ocean?

What happens when you stop pedaling a bicycle?

has a mass of 2 kg and accelerates at 3 m/s², the force is:

What is the unit of mass in the force equation?

What is the unit of acceleration in SI?

A book at rest on a table is an example of:

Pushing a ball and making it roll shows:

Seatbelts are important because of which law?

Which type of force resists sliding motion between two surfaces?

Which type of friction is usually the strongest?

Which type of friction is the weakest?

What force pulls objects toward the center of Earth?

Which law explains rocket launching into space?

Which is an example of a non-contact force?

The force that keeps the moon in orbit around Earth is:

The upward force of air on a falling object is called:

Which surface has the least friction?

Which force allows us to walk without slipping?

Which instrument is used to measure force?

A parachute slows down a skydiver due to:

Which type of simple machine reduces force needed to lift objects?

The resistance of air on a moving car is:

A stretched rubber band stores which type of energy?

A pendulum stops swinging eventually because of:

A force that acts at a distance is called:

What force keeps cars moving in a circle on a racetrack?

Which of the following is an example of centripetal force?

Why is it harder to push a heavy box than a light one?

Which law of motion explains why a soccer ball keeps rolling until friction stops it?

Which has more friction: sandpaper or smooth glass?

The force in a stretched rope is called:

Which force acts upward when a bird flies?

Which law is demonstrated when a balloon moves forward as air rushes out?

Why does a rolling ball eventually stop?

Which force makes bicycles stop when brakes are applied?

What is weight?

Which changes both the speed and direction of objects?

What is the standard value of gravity on Earth?

Which is an example of Newton's First Law?

Which is an example of Newton's Second Law?

Which is an example of Newton's Third Law?

A rocket launches because gases push down and the rocket moves up. Which law is this?

A ball dropped from a height falls due to:

What kind of energy does a moving car have because of force applied?

Which law explains why heavier trucks need more force to stop?

When forces on an object are equal in size but opposite in direction, they are:

Which force makes raindrops fall to Earth?

Which type of friction helps cars move on roads?

Which type of force is used in bow and arrow?

Which factor increases friction between surfaces?

Which factor reduces friction?

Which force causes objects to slow down when moving through air?

What force keeps a satellite orbiting Earth?

What is the weight of a 10 kg object on Earth?

Which of Newton's Laws explains why a table pushes up on a book placed on it?

Why is it easier to push an empty cart than a full one?

Which type of force keeps cars on the road when turning?

Which law is shown when you push water backward while swimming and move forward?

Which is the net force if two people push a box, one with 10 N right and another with 5 N left?

If forces on an object are balanced, the object will:

If two equal forces act in opposite directions, the net force is:

The tendency of an object to resist motion change is called:

A 5 kg object accelerates at 4 m/s². What is the force?

Which factor increases friction?

Which factor reduces friction?

What type of friction acts on a bicycle moving on the road?

What type of friction slows down a swimmer?

A force that compresses or squeezes objects is called:

A stretched rope experiences which type of force?

Work is done when:

What is the formula for work?

If 20 N force moves an object 2 m, work done is:

Which type of simple machine is a seesaw?

Which simple machine is a knife blade?

Which simple machine is used in raising a flag?

Which law explains why a heavy object requires more effort to stop?

Which is the reaction force when you press a wall?

Which is the acceleration of an object in free fall near Earth?

What is the force on a 1 kg mass in free fall?

Which factor does NOT affect friction?

Which law explains why astronauts float in space?

Pressure is defined as:

Which surface area gives higher pressure?

Why do knives have sharp edges?

Why do camels have wide feet?

Why are pins sharp at the end?

Which type of force makes objects float in water?

Which law explains why a balloon rises when released?

Which law states that pressure in an enclosed fluid is transmitted equally in all directions?

Which device works on Pascal's Law?

Which principle explains floating ships?

Which type of energy is gained by raising an object higher?

Which type of energy is due to motion caused by force?

Work is measured in:

Power is defined as:

Power is measured in:

Which is an example of work being done?

Which simple machine is a staircase?

Which simple machine is a screwdriver?

Which simple machine is a door knob?

Which law explains why guns recoil when fired?