WorksheetsForces and motion First Quizizz
Total questions: 29
Worksheet time: 15mins
Which of the following can be the result of applying force on an object?
Causes the object to speed up
Causes the object to slow down
Causes the object to change direction
All the choices are correct
Sometimes Forces are applied but can’t cause change in object motion
True
False
Which of the following is correct about forces?
It is vector quantity and its measuring unit is m/s
It is a scalar quantity and its measuring unit is Neuton
It is a vector quantity and its measuring unit is Neuton
None of the choices is correct
Which the following is an example of applying force with no change in motion?
kicking A ball
Launching a rocket
Hanging a picture on the wall
All the choices are correct?
Which of the following does show no change in the objects state of motion?
A cup on the table
A rocket on the ground
A car moving at steady speed of 100 km/hr the whole race
All the choices are correct
Forces have ......
Direction only
Magnitude only
Both direction and magnitude
Which of the following is correct about contact forces?
Forces applied when objects are in contact with each other
Forces applied when objects are not in contact with each other.
Forces as gravity and magnetism
None of the choices is correct
Example for contact forces are.........
Gravity
Magnetism
Friction
Electrical forces
............ is the forces that acts opposite to the direction of motion
Gravity
Magnetism
Friction
Electrical forces
Which force is responsible for not sliding the cars on the roads ?
Gravity
Magnetism
Friction
All the choices are correct
Which of the following is an application for friction force?
The contact between the car tires and the road prevents the car from sliding
The contact between the book and the table prevents the bookk from sliding
Rubbing hands together increases contact force between them producing heat
All the choices are correct
......... are forces that acts at a distance
Contact forces as friction
Non-contact forces as kicking a ball
Contact forces as gravity
Non-contact forces as magnetism
Examples for non-contact forces are ......
Kicking a ball
Friction
Pushing a desk
Both gravity and magnetism
Which of the following is correct regarding gravity force?
Contact force that pulls you to the center of Earth
Non-contact force that pulls you to the center of Earth
Non-contact force that attracts metals
Contact force that opposes the direction of movement
Which of the following are non-contact forces?
Magnetism
Gravity
Friction
Both gravity and magnetism
.......... is the sum of all forces acting on an object.
Balanced forces
Unbalanced forces
Net resultant force
What is the importance of calculating the net force?
To understand if the forces on the object are balanced or unbalanced
To understand which direction the object will move
To understand the final magnitude of the forces acting on the object
All the choices are correct
When forces are in the same direction, we subtract them to find the net force
True
False
Which of the following is correct about net force?
We subtract the forces in the same direction to find the net force
We add the forces in different directions to find the net force
The measuring unit is Newton
None of the choices is correct
Which of the following is an example of balanced forces?
The up and down movement of the seesaw
Aero plane landing
Bowling ball moving at constant speed of 100 m/sec
Kicking a ball
Which of the following represents balanced forces?
Car moving at speed of 100 m/s East the. West
A boy running then walking, running again
A man fixing his car through the whole race to be 100 m/s
A boy kicking a ball high
Which of the following is unbalanced force?
Two boys pushing a desk in opposite Directions with same magnitude
Two boys pushing a desk against each other with different magnitudes
A cup staying still on a desk
All the choices are correct
Which of the following is balanced forces?
Aero plane landing
Aero plane at constant speed of 100 km/hr for 5 min
Aero plane taking off
None of the choices is correct
Which of the following is correct about balanced forces?
The forces are acting in opposite directions with different magnitude
The forces are acting in same directions with same magnitude
The forces are acting in opposite directions with same magnitude so that they cancel each other
The forces are acting in same direction with different magnetic
What is true about net force in balanced forces?
It is equal to zero
It is greater than zero and takes the direction of the greater force.
It is greater than zero and takes the direction of the lower force
Which of the following is correct about net force in unbalanced forces?
Net force in unbalanced forces equal zero
Net force in unbalanced forces is greater than zero taking the direction of the greater force.
Net force in unbalanced forces is greater than one taking the direction of the lower force
Balanced force cause the object to .......
remain stationary if the object is stationary
Remain moving at same speed with it is moving at same speed
slow down or speed up
Both the first and the second choices
Unbalanced forces cause the object to .........
Speed up
Slow down
Change direction
All the choices are correct
Balanced forces cause the object to remain in the same state while unbalanced forces cause the object to accelerate
True
False
