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Forces and Motion

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

The diagram below shows pairs of magnets X and Y placed in different directions or together. Which placement will cause magnets X and Y to repel each other? SC.5.P.13.1

a)
Magnet placement 1
b)
Magnet placement 2
c)
Magnet placement 3
d)
Magnet placement 4
2.

A person pushes a cart and the cart moves several meters. Which statement explains why the cart moved after the push, but the person remained in the same location? SC.5.P.13.2

a)
The cart applied a greater force against the person.
b)
Unbalanced forces was applied to the cart, but balanced were applied to the person.
c)
The forces between the person and the cart were equal and balanced.
d)
Balanced forces were applied to the cart, and an unbalanced force was applied to the person.
3.

A group of students wanted to test how far five different balls would travel with a given force. They placed a golf ball, a tennis ball, a baseball, a soccer ball, and a bowling ball on the ground behind a start line. The students pushed each ball with the same amount of force. The distance each ball traveled from the start line is shown below. Which statement best explains why the bowling ball traveled the shortest distance? SC.5.P.13.2

a)
The bowling ball has more friction than the other balls.
b)
The bowling ball has less friction than the other balls.
c)
The bowling ball has more mass than the other balls.
d)
The bowling ball has less mass than the other balls.
4.

Julie has several objects on a table. She moves a magnet towards the objects. Which object will likely NOT move when the magnet is near? SC.5.P.13.1

a)
iron nail
b)
steel fork
c)
rubber band
d)
another magnet
5.

Heather tried to push a heavy desk across the floor but could not get it to move. Which sentence best explains why the desk did NOT move? SC.5.P.13.2

a)
Heather's push was balanced by the force of gravity.
b)
Heather's push was balanced by the force of friction.
c)
Heather's push was more than the force of friction.
d)
Heather's push was less than the force of gravity.
6.

A student made the chart below to show the mass of several textbooks that she weighted using a triple bean balance. Each textbook is pulled separately across a table the same amount of distance. All of the textbooks have similar covers. Which statement is true about the amount of force it would take to move the textbooks across a able by pulling them? SC.5.P.13.2

a)
The Science textbook would take more force to pull than the Math textbook.
b)
The Spanish textbook would take more force to pull than the History textbook.
c)
The Math textbook would take about twice as much force to pull as the Spanish textbook.
d)
The History textbook would take about twice as much force to pull as the Science textbook.
7.

When a toy car is released from the top of a ramp, it rolls down and then continues on the flat surface until it stops. Which statement best describes why the toy car eventually stops moving? SC.5.P.13.2

a)

The force of gravity acting on the car increases, causing it to stop.

b)

The car runs out of stored energy and comes to a stop.

c)

Friction between the car's wheels and the surface eventually stops the car.

d)

The car's motion is opposed by air resistance only.

8.

Mark tries to push a heavy object across the floor, but it does not move. Erik helps Mark push the object, and it then moves. Which statement best describes why Mark was unable to move the object, and why Mark and Erik combined were able to move the object across the floor? SC.5.P.13.2

a)
The push by Mark added a force that was unbalanced by other forces, and the combined push of Erik and Mark added a force that was balanced by other forces.
b)
The push by Mark added a force that was balanced by other forces, and the combined push of Erik and Mark added a force that was unbalanced by other forces.
c)
The push by Mark was less than the force of gravity on the object, and the combined push of Erik and Mark was more than the force of gravity on the object.
d)
The push by Mark was less than the force of the floor on the object, and the combined push of Erik and Mark was more than the force of the floor on the object.
9.

Josh is investigating magnets. He moves two long thing magnets toward each other. The magnets pull toward each other and stick together. Josh then turns one magnet around the opposite way. He repeats the investigation, keeping everything else the same. What will happen to the magnets? SC.5.P.13.1

a)
The magnets will not move.
b)
The magnets will move toward each other.
c)
The magnets will push away from each other.
d)
The magnets will move to the side of each other.
10.

An apple is on a teacher's desk. Why does the apple remain motionless and not fall to the ground? SC.5.P.13.1

a)
The apple has no forces acting upon it when it is at rest.
b)
The apple only has the upward force of the desk exerting on it.
c)
The forces applied to the apple are too strong to allow the apple to move.
d)
The desk exerts a force equal to the force of gravity but applied in the opposite direction.
11.

Multiple forces, such as gravity and friction, act on a ball when it rolls down a smooth slope. Which statement describes how friction affects the motion of a ball traveling down a grassy slope? SC.5.P.13.2

a)
Friction causes the ball to bounce down the grassy slope.
b)
Friction causes the ball to change directions down the grassy slope.
c)
Friction causes the ball to increase in speed down the grassy slope.
d)
Friction causes the ball to decrease in speed down the grassy slope.
12.

A car accelerates down a hill, then continues on a flat road. Which statement best describes the forces acting on the car as it moves from the hill to the flat road?

a)

Gravity is the only force acting on the car throughout its motion.

b)

Friction increases as the car moves from the hill to the flat road, slowing it down.

c)

The force of gravity decreases as the car moves to the flat road, causing it to slow down.

d)

Air resistance and friction act against the car's motion, but gravity helps it move down the hill.