Effects of Forces

 

When calculating net force, forces acting on the same object, in the same direction should be...

• multiplied together

• subtracted from each other

• added together

• divide by each other

True or False: In some cases, net force can refer to only 1 force acting upon an object.

• TRUE

• FLASE

If the net force on an object is unbalanced, it the force is...

• greater than 0 N

• exactly 0N

• less than 0 N

True or False: Any force applied to an object causes movement.

• TRUE

• FALSE

An object in motion can ____________ if an unbalanced force acts upon it.

• speed up

• slow down

• change direction

• all of these

What is force?

• A pull exerted on an object

• A push exerted on an object

• A push or pull exerted on an object

• None of the above

Hitting a moving tennis ball with a tennis racket changes its ________ and ________.

• shape; direction

• speed; shape

• direction; speed

• shape; speed

In a football game, the goalkeeper stops a moving ball to prevent it from entering the goal. What is the motion of the object?

• Make a stationary object move

• Make a moving object stop

• Make a moving object move slower 

• Change the direction of a moving object

which of the following is not an effect of force:

• to move a body from rest

• to change the color of an object

• to change the shape of a body

• to stop a moving body

in the given figure force is

• stopping a moving object

• changing the direction of motion

• changing the shape

• none of the above