Physics Mechanics - Practice Questions
12 Questions
1
What is the SI unit of force?
A.
Joule
B.
Newton
C.
Watt
D.
Pascal
2
What is the speed of light in vacuum?
A.
3 × 10⁶ m/s
B.
3 × 10⁸ m/s
C.
3 × 10¹⁰ m/s
D.
3 × 10¹² m/s
3
What is the formula for kinetic energy?
A.
mv
B.
mgh
C.
½mv²
D.
Fd
4
What is Newton's First Law of Motion?
A.
F = ma
B.
An object at rest stays at rest
C.
Action and reaction are equal
D.
Energy is conserved
5
What is the unit of electric current?
A.
Volt
B.
Ampere
C.
Ohm
D.
Watt
6
What is the acceleration due to gravity on Earth?
A.
8.9 m/s²
B.
9.8 m/s²
C.
10.0 m/s²
D.
9.6 m/s²
7
What is the formula for momentum?
A.
mv
B.
ma
C.
Fd
D.
mgh
8
What type of energy is stored in a stretched spring?
A.
Kinetic
B.
Potential
C.
Thermal
D.
Chemical
9
What is the relationship between frequency and wavelength?
A.
Directly proportional
B.
Inversely proportional
C.
No relationship
D.
Exponentially related
10
What is Ohm's Law?
A.
V = IR
B.
P = IV
C.
E = mc²
D.
F = ma
11
What is the formula for work done?
A.
Fd
B.
mv
C.
mgh
D.
½mv²
12
What is the unit of power?
A.
Joule
B.
Newton
C.
Watt
D.
Pascal