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WorksheetsLesson One Review: Describing Motion and Force
Total questions: 21
Worksheet time: 37mins
A push or pull
gravity
friction
newton
force
A girl is riding in a bike. What reference point can be used to argue that the child is NOT in motion?
a tree
the bike
the road
a cloud
An object is in motion if it's position is ______________
changing relative to a reference point
at rest
not changing relative to a reference point
none of the above
Forces are described by ___________ and ___________
strength and distance
position and distance
strength and direction
position and direction
The ___________________ is the sum of all the forces acting on an object
balanced force
net force
normal force
unbalanced force
George pushes his friend down the road on his new wagon. Which two terms accurately describe the net force acting on the sled?
unbalanced and contact
balanced and contact
unbalanced and noncontact
balanced and noncontact force
_____________________ is a force that pulls objects towards each other as a result of their masses.
Gravity
Magnetism
Friction
All of the above
The SI Unit for force is the ______________.
meter
kilogram
pound
Newton
Two gym classes are playing tug-of-war with a rope. One class pulls on the rope with a 80 N force to the right, the other pulls with a 25 N force to the left. Which two statements describe this situation?
The net force acting on the rope is 105 N to the left
The net force acting on the rope is 55 N to the right
The forces are balanced, and have a net force of zero
The forces are unbalanced, and have a net force greater than zero
If two forces acting on an object are equal in strength and opposite in direction, then the forces __________ and _______________. (Choose 2 responses)
are balanced
have a net force of zero.
are unbalanced.
have a net force of greater than zero
What is the Net Force? What direction?
9 N
5 N
Right
Left
What is the Net Force? What direction?
12 N
4 N
Left
Right
A boy is sitting on a bench, what are three ways you can describe the boys motion? Explain your reasoning?
What is a contact force?
What is a noncontact force?
The classes are playing tug of war. Mrs. Larson’s homeroom pulls with a force of 50 N. Ms. Mitko’s homeroom pulls with a force of 45 N in the opposite direction. What is the net force? And who won?
5 N
95 N
Mrs. Larson's homeroom
Ms. Mitko's homeroom
When two forces working in opposite directions are not the same strength
(a)
When forces are balanced, the net force ____
is greater than the sum of the forces
is zero
is negative
is equal to the largest force
The force of gravity acts (a) .
If two forces are acting in the same direction I will (a) the forces to find the net force.
If two forces are acting in opposite directions, I will (a) the forces to find the net force.
