Chapter 1 and 2 Review

A hockey puck sliding across the ice finally comes to rest because 

True/False: No force is required to keep an object moving, once in motion.

A force is a vector quantity because it has both

A ball continuing to roll on a frictionless, horizontal plane displays its:

For a scientific hypothesis to be valid, there must be a test for proving it 

If nellie hangs from a horizontal bar that's supported by four ropes, the tension in the ropes 

Suspend your body from a pair of vertical ropes and the tension in each rope will be

Which concept is illustrated when a tablecloth is quickly yanked beneath resting dishes?

Nellie pulls with a force of 50 N on a rope tied to a tree stump. The net force on the rope is 

Which of the following is a scientific statement?

An educated scientific guess is a 

Inertia is defined as a 

Ignoring all opposing forces, A ball rolling on a frictionless, flat (horizontal) plane 

Facts in the field of science

An 800 N man stands on two scales so that his weight is evenly placed. Reading on both scales:

If no external forces act on a moving object, it will

The net force acting on an insect falling downward at constant velocity is 

Tension is actually a force that tends to 

Which of the following is not considered technology?

Which has the most inertia?

Science is a body of knowledge that

If gravity between the sun and Earth suddenly vanished, Earth would continue moving in

The synthesis of a large collection of information, contains well tested & verified hypotheses

What is the NET Force on an object equal to if the object is moving at a constant velocity?

If your automobile runs out of fuel while driving, the engine stops. You keep coasting due to:

The equilibrium rule (Sum of forces on an object = 0) applies to

A block pulled 15 N leftward and 5 N rightward at the same time experiences a net force of

Total weight sitting on scaffold is 1300 N. Ropes have tension of 1300 N. Weight of scaffold=

A train's engine is suddenly turned off. It does not keep moving forever because the train is 

True/False - A force is required to stop an object once it is moving.

The net force on any object in equilibrium is 

The resultant of a 40 N force at right angles to a 30 N force is (use a^2+b^2 = c^2)