Work and Force

Which of the following statements tells you that work is present?

• pushing a wall

• pushing a box

• pushing a boulder (big rock)

• a man carrying a book

Which type of contact force acts upon objects traveling through the air?

• Applied force

• Gravitational force

• Friction force

• Drag force

The force of ________ will ALWAYS OPPOSE the applied force.

When force is directly applied to an object to cause change it is called _______ force.

Adam worked 1,200 J in throwing a ball 30 meters towards the south. How much force did Adam exert in throwing the ball?

• 40 N

• 40 J

• 36, 000 N

• 36, 000 J

When a force causes an object to move a distance in the same direction as the force, then work is equal to force divided by distance.

• TRUE

• FALSE

Particles in motion have ___________ energy.

• thermal

• kinetic

• potential

• sound

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A push or pull that acts on an object is called

• Work

• Force

• Energy

• Momentum

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

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

• Gravitational force

• Force of friction

• Mechanical force

• Electrical force

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

• True

• False

Tags

NGSS.MS-PS2-2