force

Which of these following is correct?

• More friction force because the surface is not smooth

• More friction force because the surface is smooth

• Less friction force because of more weight

• More friction force because of less weight

What is unit of force

• centimeter

• kilogram

• newton

• gram

Which of these types of surface has the most friction?

• ice floor

• Marble

• Wet floor

• Lawn

Which of these following is not correct?

• Combined force is 100N

• The object moves to the right

• Stationary

• The direction of friction force is on the left

The two forces are_______, it means that the forces are the same strength but are acting in opposite directions

Which number the forces are balanced?

• 1

• 2

• 3

• 4

Which number shows the object moves to the left?

• 1

• 2

• 3

• 4

Ordering the greatest combined force to the smallest.

Which of following is not correct?

• Friction force is the force that opposes the movement of object.

• Friction force involves the types of surface and weight of and object

• More weight equal less friction

• A rough surface produces friction than a smooth surface

The upward force on the object that make object float is called _____

• Gravity

• weight

• Friction

• Buoyancy