Force Work Energy Momentum

A push or pull that acts on an object is called

• Work

• Force

• Energy

• Momentum

Tags

NGSS.MS-PS2-1

A force that tries to stop a moving object is known as?

• Gravitational force

• Force of friction

• Mechanical force

• Electrical force

Ability to do work is known as?

• Energy

• Work

• Force

• Machine

Tags

NGSS.MS-PS3-5

Force can move a stationary object or stop a moving object.

• True

• False

Tags

NGSS.MS-PS2-2

Applying a force to an object may take energy, but it does not always result in work being done. What must be true for work to be done?

• The object must have a sizeable mass.

• The object must move in the direction opposite that of the force applied.

• The object must move in the same direction in which the force is being applied.

• The object must accelerate so that it attains its maximum speed as quickly as possible.

Match the following words to the correct definition.

• Energy

• A push or a pull.

• Motion

• The ability to do work or cause change.

• Work

• When an object's distance from another object changes.

• Force

• Force exerted on an object that causes it to move.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The picture shows an athlete hitting a ball with a tennis racquet.

What is the athlete demonstrating in the picture?

• Doing work by pushing the ball and changing its motion and position

• Changing the position but not the motion of the ball

• Doing work by pulling the racquet and changing the ball’s position but not its motion

• Changing the position and motion of the ball without doing any work

Tags

3.6B

The picture shows an athlete hitting a ball with a tennis racquet.

What is the athlete demonstrating in the picture?

• Doing work by pushing the ball and changing its motion and position

• Changing the position but not the motion of the ball

• Doing work by pulling the racquet and changing the ball’s position but not its motion

• Changing the position and motion of the ball without doing any work

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

When we use force to move things, we do?

• Work

• Energy

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

When we throw a ball up, it falls down to the ground because of force of

• Gravity

• Friction

• Magnetic

• Electric

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4