Forces and Living in Space

1

Josh has a mass of 37 kg. What is his weight? (Take g = 10 metres per second squared.)

1

A force is acting on each of the objects in the diagram.
What can be concluded about these forces?

1

Two students are pushing a cart, as shown.
The cart will move as if it were acted on by a single force with a magnitude of:

.

1

A ball is dropped from the top of a tall building. As the ball falls, the upward force of air resistance becomes equal to the downward pull of gravity.
When these two forces become equal in magnitude, the ball will:

1

Four forces are acting on a box, as shown below.
This box will increase in speed

1

Which of the following sets contains only objects that shine as a result of reflected light?

1

John wants to build a racetrack that will allow his toy cars to travel fast when force is applied.
Which material should he use?

1

A magnet is placed near a pile of steel paper clips. Which will most likely occur?

1

Letters A, B, C, and D in the diagram below represent four positions of the Moon in its orbit around Earth.
At which Moon position would a person on Earth see the entire lighted half of the Moon (full-Moon phase)?

Quiz for 7V

Forces and Living in Space

Forces and Living in Space

Josh has a mass of 37 kg. What is his weight? (Take g = 10 metres per second squared.)

A force is acting on each of the objects in the diagram. What can be concluded about these forces?

Two students are pushing a cart, as shown. The cart will move as if it were acted on by a single force with a magnitude of: .

A ball is dropped from the top of a tall building. As the ball falls, the upward force of air resistance becomes equal to the downward pull of gravity. When these two forces become equal in magnitude, the ball will:

Four forces are acting on a box, as shown below. This box will increase in speed

Which of the following sets contains only objects that shine as a result of reflected light?

John wants to build a racetrack that will allow his toy cars to travel fast when force is applied. Which material should he use?

A magnet is placed near a pile of steel paper clips. Which will most likely occur?

Letters A, B, C, and D in the diagram below represent four positions of the Moon in its orbit around Earth. At which Moon position would a person on Earth see the entire lighted half of the Moon (full-Moon phase)?

In a car accident, a seat belt helps prevent injuries by applying a force

A force is acting on each of the objects in the diagram.
What can be concluded about these forces?

Two students are pushing a cart, as shown.
The cart will move as if it were acted on by a single force with a magnitude of:

.

A ball is dropped from the top of a tall building. As the ball falls, the upward force of air resistance becomes equal to the downward pull of gravity.
When these two forces become equal in magnitude, the ball will:

Four forces are acting on a box, as shown below.
This box will increase in speed

John wants to build a racetrack that will allow his toy cars to travel fast when force is applied.
Which material should he use?

Letters A, B, C, and D in the diagram below represent four positions of the Moon in its orbit around Earth.
At which Moon position would a person on Earth see the entire lighted half of the Moon (full-Moon phase)?