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You can create printable tests and worksheets from these Grade 3 Mechanics questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

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An object in motion will stay in motion unless                      a force acts on it                     .
A girl rolling dough

Force:        push
Applying Force:        girl
Receiving Force:         dough
Effect on Object Receiving Force:                       dough changes shape
Energy we can see is                Light Energy               .
When something changes position, it is in
1. motion
2. friction
3. gravity
4. acceleration
5. force
A force is
1. a very loud noise
2. a push or pull upon an object
The dog is pulling on the leash. The boy is also pulling on the leash. Neither the dog or the boy move.

Are the forces acting on the leash balanced or unbalanced?
1. balanced forces
2. unbalanced forces
What pulls things down to the ground?
1. environment
2. gravity
3. matter
A boy kicks a soccer ball. The ball rolls away from him.

Are the forces acting on the ball balanced or unbalanced?
1. balanced forces
2. unbalanced forces
The children are playing tug of war. They both pull on the rope. The rope moves to the left.

Are the forces acting on the rope balanced or unbalanced?
1. balanced forces
2. unbalanced forces
The boy is pulling on a heavy wagon. The wagon does not move.

Are the forces acting on the wagon balanced or unbalanced?
1. balanced forces
2. unbalanced forces
The children are playing tug of war. They both pull on the rope, but the rope does not move.

Are the forces acting on the rope balanced or unbalanced?
1. balanced forces
2. unbalanced forces
Quinn accidentally drops his glass of cider. Gravity pulls the glass toward the floor.

Are the forces acting on the glass balanced or unbalanced?
1. balanced forces
2. unbalanced forces
The woman pushes the shopping cart. The cart rolls forward.

Are the forces acting on the cart balanced or unbalanced?
1. balanced forces
2. unbalanced forces
is a pulling force that acts on all objects.
1. Oxygen
2. Gravity
3. Force
4. Landslide
Use "float" or "sink" to fill in the blanks.

A penny will        sink       , but an wooden stick will         float        .
The soccer ball is on the ground. It is not moving.

Are the forces acting on the ball balanced or unbalanced?
1. balanced forces
2. unbalanced forces
An apple falls off a tree. The force of gravity pulls the apple down toward the ground.

Are the forces acting on the apple balanced or unbalanced?
1. balanced forces
2. unbalanced forces
Heavy objects have more inertia.
1. True
2. False
The boy pushes the door. The door moves.

Are the forces acting on the door balanced or unbalanced?
1. balanced forces
2. unbalanced forces
What is the ability to do work?
1. sound energy
2. potential energy
3. energy