Forces Unit Test Review

In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the resultant force?

• 50N to the left.
• 350N to the left.
• 350N to the right.
• 50N to the right.

What is the net force?

• 400 N Up
• 400 N Down
• - 400 N Down
• 800 N Down

The force that opposes the motion of two surfaces sliding past each other is called ___________.

• acceleration
• inertia
• friction
• unbalanced

What is the unit of force?

• Kilogram
• Meter
• Pascal
• Newton

What is a friction force that acts on an object but is not moving?

• Centripetal Force
• Sliding Friction
• Electromagnetic Force
• Static Friction

What is it called when the force of gravity is acting on an object?

• Weight
• Sliding Friction
• Momentum
• Projectile Motion

A ____________ is a push or a pull on an object.

• chemical
• force
• magnet
• gravity

___________ is the amount of matter in an object.

• mass
• weight
• volume
• force

Which law states that an object in motion stays in motion; an object at rest stays at rest unless acted upon by an unbalanced force?

• Newton's 2nd law

• Newton's 3rd law

• Newton's 1st law

• none of these

Which law of motion states that the force acting on an object is equal to the product of the objects mass and acceleration? (forces make masses accelerate)

• Newton's 2nd law

• Newton's 3rd law

• Newton's 1st law

• none of these