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Worksheets8P1 Forces and Energy
Total questions: 15
Worksheet time: 8mins
A wheeled cart is moving to the right at a constant speed. Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?
Balanced Forces, Constant Speed
Balanced Forces, Acceleration
Unbalanced Forces, Constant Speed
Unbalanced Forces, Acceleration
Which could be an example of an unbalanced force?
A plate sitting on a dining table
A ball at the top of a hill that is not moving
Earth orbiting the Sun
A baseball that has been thrown to home plate.
In the image, which hole will allow the water to spurt the furthest?
A
B
C
Same in A,B and C
When you increase your altitude, the atmospheric pressure
increases
decreases
stays the same
cannot be measured
Army tank tracks are useful for travelling through the mud because
they decrease the force exerted on the ground
they increase the force exerted on the ground
they decrease the pressure exerted on the ground
they increase the pressure exerted on the ground
Which of the statement is true?
The shoe exerts less pressure than the stiletto heel as a result of an increase in surface area
The shoe exerts less pressure than the stiletto heel as a result of an decrease in surface area
The shoe exerts more pressure than the stiletto heel as a result of an increase in surface area
The shoe exerts more pressure than the stiletto heel as a result of an decrease in surface area
Choose 2 possible answers.
A nut can be loosened more easily with
a shorter spanner because a larger turning effect can be produced
a longer spanner because a larger turning effect can be produced
one hand because a larger turning effect can be produced
two hands because a larger turning effect can be produced
A boy of weight 600N sits on the see-saw at a distance of 1.5m from the pivot. What is the force F required at the other end to balance the see-saw?
200 N
450 N
800 N
1800 N
Arrange the liquids in order; from most dense to least dense
4, 3, 2, 1
1, 2, 3, 4
3, 4, 2, 1
4, 3, 1, 2
Moment (Nm) =
Force (N) x distance (m)
Angular Force (N°) x distance (m)
Work done (J)
Force (N) x distance (s)
What is the moment acting on the seesaw?
1.6Nm
15Nm
16N
4Nm
What is happening at D?
Stationary
Accelerating
Fast steady speed; moving away from the starting position
Slower steady speed; moving away from the starting position
During which interval is the object speeding up?
A to B
B to C
D to E
E to F
When one force is stronger than the other and the forces act in different directions, they are _________.
balanced forces
unbalanced forces
net forces
gravity forces
What is the total distance covered by 2 pm?
40 miles
30 miles
60 miles
10 miles
