forces

Question 1

What force prevents an object from sliding down a ramp?

Answer 1

Friction

Question 2

What is the force that the Earth exerts on an object?

Answer 2

Weight

Question 3

What force acts upwards on an object and makes it float?

Answer 3

Buoyancy

Question 4

What holds the planets in motion around the sun?

Answer 4

Gravitational

Question 5

What is defined as a push or pull?

Answer 5

Force

Question 6

The unit of force is _______.

Answer 6

N

Question 7

What is it called when the force of gravity is acting on an object?

Answer 7

Weight

Question 8

The force that is in a rope or cable that is being pulled is called _______.

Answer 8

Tension

Question 9

What force does a car engine exert to make it move forward?

Answer 9

Thrust

Question 10

What force does the surface exert on the object, perpendicular to the surface?

Answer 10

Normal

Question 11

What force is exerted when a foot kicks a football?

Answer 11

Applied

Question 12

What force acts on a paper clip sliding towards a magnet?

Answer 12

Magnetic

Question 13

What force is involved when shoes rub against the floor?

Answer 13

Friction

Question 14

What upward force does a parachute experience?

Answer 14

Drag

Question 15

When rubbing a balloon on your head causes charge to build up, what force is acting?

Answer 15

Electrostatic

Question 16

This kind of force only has an effect on objects they touch. True or False?

Answer 16

True

Question 17

Examples of non-contact forces are _______.

Answer 17

Magnetic, Gravitational, Electrostatic

Question 18

A meteor travels faster through space as it approaches Earth due to which force?

Answer 18

Gravitational

Question 19

Forces are able to do which of the following?

Answer 19

All of the above

Question 20

What instrument containing a spring can be used to measure forces?

Answer 20

Spring Balance

Question 21

What four forces act on a plane moving forward through the air?

Answer 21

Thrust, Drag, Upthrust, Weight

Question 22

What unit is used to measure Mass?

Answer 22

Kilograms

Question 23

Weight can be calculated using which two values?

Answer 23

Mass and Gravitational Force

Question 24

Select all the statements that are TRUE.

Answer 24

The gravitational force on Jupiter is larger than on Earth because Jupiter is larger than Earth, The weight of an object will increase if the object’s mass increases, To calculate the gravitational force, we can divide weight by mass

Question 25

How can friction be reduced?

Answer 25

All of the above are ways of reducing friction

Question 26

What type of friction occurs when air pushes against a moving object and slows it down?

Answer 26

Air resistance

Question 27

Which of the following is an example of friction that is helpful?

Answer 27

All are examples that are helpful

Question 28

Rougher surfaces have _______.

Answer 28

More friction

Question 29

Friction is a force that acts in an ___________ direction of movement.

Answer 29

Opposite

Question 30

On which surface will a toy car travel the furthest?

Answer 30

Polished wood

Question 31

The larger the surface area of the moving object, the ___________ air resistance there is.

Answer 31

More

Question 32

Air resistance pushes against falling objects and __________________.

Answer 32

Slows them down

Question 33

Force has both size and __________.

Answer 33

Direction

Question 34

How does friction affect speed?

Answer 34

More friction decreases speed

Question 35

What does friction produce?

Answer 35

Heat

Question 36

What part of a car increases friction?

Answer 36

Tires

Question 37

Which material is predicted to have the MOST amount of friction?

Answer 37

Sandpaper