GRAVITATIONAL FORCE

GRAVITATIONAL FORCE

STARTER ACTIVITY

Multiple Choice

What is gravitational force?

• It makes objects at rest start moving.
• It makes objects that are moving stop.
• The force of attraction between two objects.
• It pulls you into space.

Multiple Choice

A student drops a bowling ball and an apple from a third-story window. Both objects hit the ground at the same time. From the experiment, the student should conclude that

• the apple weighs more than the bowling ball

• more air friction is acting on the apple than on the bowling ball

• gravity pulls on both objects, causing them to fall at the same time.

Multiple Choice

The gravitational force exerted by an object depends on its

• volume

• mass

• weight

Multiple Choice

The gravitational force exerted by an object depends on its

• volume

• mass

• weight

Multiple Choice

Which is needed to determine the amount of gravitational force between two objects?

• distance and mass

• weight and time

• area and weight

Multiple Choice

When placed at equal distances apart, the greatest gravitational attraction will be between two

• skateboards

• bowling balls

• school buses

VIDEO CLIP: GRAVITY OF OBJECTS

McGraw-Hill- Grade 8

Open Ended

1.What pulls an object towards Earth?

Open Ended

2.Do all objects have gravity?

Open Ended

3.Why cant you attract other objects if every object that has mass has a gravity?

Multiple Select

Which of the following is a correct statement about Gravitational Force?

• Gravitational force between Earth and objects near its surface pulls things to the ground.

• Gravitational force is a non-contact force because it acts without the objects touching.

• Gravitational force depends on the masses of the objects and the distance between them.

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