Forces Unit Mastery

Front

______________ is when an object bends or changes shape.

Back

Deformation

Front

Do all solid objects deform when pushed on in a collision and when other contact forces are applied to them?

Back

True

Front

Force is measured in ____________

Back

Newtons (N)

Front

Which variable has the greatest effect on an object’s kinetic energy? (Hint: What is Kinetic Energy?) Options: The object’s shape, The object’s speed, The object’s mass, The object's material

Back

The object’s speed

Front

What does friction do to moving objects?

Back

It causes the object to slow down.

Front

What is true about the forces and the motion on the box below?

Back

The forces are unbalanced and the box will accelerate to the right.

Front

The amount of force that a baseball bat exerts on a ball is 50 newtons. What is the amount of force that the ball exerts on the bat?

Back

50N

Front

If you apply the same force to a basketball and a bowling ball, why does the basketball accelerate more?

Back

The basketball has less mass than the bowling ball.

Front

A swimmer pushes backward against the water with their arms. What is the reaction force?

Back

The water pushes the swimmer forward.

Front

When 20,000 N of force is applied to this material, its deformation is approximately:

Back

0.05 cm